List of Major League Baseball players (Mc–Me)
# List of Major League Baseball players (Mc–Me)

The following is a list of Major League Baseball players, retired or active.

## List of Major League Baseball players

* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z

## Mc-Mg

| Name | Debut | Final game | Position | Teams |
| - | - | - | - | - |
| Jack McAdams | July 22, 1911 | September 4, 1911 | Pitcher | St. Louis Cardinals |
| Bill McAfee | May 12, 1930 | September 22, 1934 | Pitcher | Chicago Cubs, Boston Braves, Washington Senators, St. Louis Browns |
| Jimmy McAleer | April 24, 1889 | July 8, 1907 | Outfielder | Cleveland Spiders, Cleveland Infants, Cleveland Blues (AL), St. Louis Browns |
| Jack McAleese | August 10, 1901 | October 3, 1909 | Outfielder | Chicago White Sox, St. Louis Browns |
| Bill McAllester | May 2, 1913 | October 5, 1913 | Catcher | St. Louis Browns |
| Sport McAllister | August 7, 1896 | September 29, 1903 | Utility player | Cleveland Spiders, Detroit Tigers, Baltimore Orioles |
| Zach McAllister | July 7, 2011 | | Pitcher | Cleveland Indians |
| Ernie McAnally | April 11, 1971 | September 10, 1974 | Pitcher | Montreal Expos |
| Jim McAnany | September 19, 1958 | August 25, 1962 | Outfielder | Chicago White Sox, Chicago Cubs |
| Jamie McAndrew | July 17, 1995 | July 23, 1997 | Pitcher | Milwaukee Brewers |
| Jim McAndrew | July 21, 1968 | May 29, 1974 | Pitcher | New York Mets, San Diego Padres |
| Paul McAnulty | June 22, 2005 | | Outfielder | San Diego Padres, Los Angeles Angels of Anaheim |
| Dixie McArthur | July 10, 1914 | July 10, 1914 | Pitcher | Pittsburgh Pirates |
| Bub McAtee | May 8, 1871 | July 23, 1872 | First baseman | Chicago White Stockings, Troy Haymakers |
| Ike McAuley | September 10, 1914 | May 30, 1925 | Shortstop | Pittsburgh Pirates, St. Louis Cardinals, Chicago Cubs |
| Dick McAuliffe | September 17, 1960 | September 1, 1975 | Utility infielder | Detroit Tigers, Boston Red Sox |
| Gene McAuliffe | August 17, 1904 | August 17, 1904 | Catcher | Boston Beaneaters |
| George McAvoy | July 17, 1914 | July 17, 1914 | Pinch hitter | Philadelphia Phillies |
| Tom McAvoy | September 27, 1959 | September 27, 1959 | Pitcher | Washington Senators |
| Wickey McAvoy | September 29, 1913 | September 16, 1919 | Catcher | Philadelphia Athletics |
| Al McBean | July 2, 1961 | May 10, 1970 | Pitcher | Pittsburgh Pirates, San Diego Padres, Los Angeles Dodgers |
| Pryor McBee | May 22, 1926 | May 22, 1926 | Pitcher | Chicago White Sox |
| Marcus McBeth | June 6, 2007 | | Pitcher | Cincinnati Reds |
| McBride, first name unknown | October 12, 1890 | October 12, 1890 | Outfielder | Philadelphia Athletics (AA) |
| Algie McBride | May 12, 1896 | September 16, 1901 | Outfielder | Chicago Colts, Cincinnati Reds, New York Giants |
| Bake McBride | July 26, 1973 | October 1, 1983 | Outfielder | St. Louis Cardinals, Philadelphia Phillies, Cleveland Indians |
| Dick McBride | May 20, 1871 | July 13, 1876 | Pitcher | Philadelphia Athletics (1860–76), Boston Red Caps |
| George McBride | September 12, 1901 | July 29, 1920 | Shortstop | Milwaukee Brewers (1901), Pittsburgh Pirates, St. Louis Cardinals, Washington Senators |
| Ken McBride | August 4, 1959 | August 15, 1965 | Pitcher | Chicago White Sox, Los Angeles/California Angels |
| Macay McBride | July 22, 2005 | August 10, 2007 | Pitcher | Atlanta Braves, Detroit Tigers |
| Pete McBride | September 20, 1898 | September 14, 1899 | Pitcher | Cleveland Spiders, St. Louis Perfectos |
| Tom McBride | April 23, 1943 | September 30, 1948 | Outfielder | Boston Red Sox, Washington Senators |
| Bill McCabe | April 16, 1918 | October 3, 1920 | Utility player | Chicago Cubs, Brooklyn Robins |
| Dick McCabe | May 30, 1918 | June 21, 1922 | Pitcher | Boston Red Sox, Chicago White Sox |
| Joe McCabe | April 18, 1964 | May 22, 1965 | Catcher | Minnesota Twins, Washington Senators |
| Ralph McCabe | September 18, 1946 | September 18, 1946 | Pitcher | Cleveland Indians |
| Swat McCabe | September 23, 1909 | May 20, 1910 | Outfielder | Cincinnati Reds |
| Tim McCabe | August 16, 1915 | July 27, 1918 | Pitcher | St. Louis Browns |
| Harry McCaffery | June 15, 1882 | June 25, 1883 | Outfielder | St. Louis Brown Stockings (AA), Louisville Eclipse |
| Sparrow McCaffrey | August 13, 1889 | August 15, 1889 | Catcher | Columbus Solons |
| William McCaffrey | June 15, 1885 | June 15, 1885 | Pitcher | Cincinnati Red Stockings (AA) |
| Bill McCahan | September 15, 1946 | June 19, 1949 | Pitcher | Philadelphia Athletics |
| Brian McCall | September 18, 1962 | September 29, 1963 | Outfielder | Chicago White Sox |
| Dutch McCall | April 27, 1948 | October 3, 1948 | Pitcher | Chicago Cubs |
| Larry McCall | September 10, 1977 | September 27, 1979 | Pitcher | New York Yankees, Texas Rangers |
| Windy McCall | April 25, 1948 | May 5, 1957 | Pitcher | Boston Red Sox, Pittsburgh Pirates, San Francisco Giants |
| Randy McCament | June 28, 1989 | May 21, 1990 | Pitcher | San Francisco Giants |
| Jack McCandless | September 10, 1914 | October 3, 1915 | Outfielder | Baltimore Terrapins |
| Brian McCann | June 10, 2005 | | Catcher | Atlanta Braves |
| Emmett McCann | April 19, 1920 | May 23, 1926 | Shortstop | Philadelphia Athletics, Boston Red Sox |
| Gene McCann | April 19, 1901 | April 28, 1902 | Pitcher | Brooklyn Superbas |
| Roger McCardell | May 8, 1959 | June 8, 1959 | Catcher | San Francisco Giants |
| Bill McCarren | May 4, 1923 | August 23, 1923 | Third baseman | Brooklyn Robins |
| Alex McCarthy | October 7, 1910 | July 23, 1917 | Second baseman | Pittsburgh Pirates, Chicago Cubs |
| Arch McCarthy | August 14, 1902 | September 18, 1902 | Pitcher | Detroit Tigers |
| Bill McCarthy | June 5, 1905 | September 14, 1907 | Catcher | Boston Beaneaters, Cincinnati Reds |
| Brandon McCarthy | May 22, 2005 | | Pitcher | Chicago White Sox, Texas Rangers, Oakland Athletics |
| Greg McCarthy | August 28, 1996 | September 23, 1998 | Pitcher | Seattle Mariners |
| Jack McCarthy | August 3, 1893 | May 25, 1907 | Outfielder | Cincinnati Reds, Pittsburgh Pirates, Chicago Orphans, Cleveland Blues (AL)/Bronchos/Naps, Chicago Cubs, Brooklyn Superbas |
| Jerry McCarthy | June 19, 1948 | June 23, 1948 | First baseman | St. Louis Browns |
| Joe McCarthy | September 27, 1905 | July 8, 1906 | Catcher | New York Highlanders, St. Louis Cardinals |
| Johnny McCarthy | September 2, 1934 | September 26, 1948 | First baseman | Brooklyn Dodgers, New York Giants, Boston Braves |
| Tom McCarthy (1900s P) | May 10, 1908 | July 7, 1909 | Pitcher | Cincinnati Reds, Pittsburgh Pirates, Boston Doves |
| Tom McCarthy (1980s P) | July 5, 1985 | September 22, 1989 | Pitcher | Boston Red Sox, Chicago White Sox |
| Tommy McCarthy β | July 10, 1884 | September 26, 1896 | Outfielder | Boston Reds (UA), Boston Beaneaters, Philadelphia Quakers, St. Louis Browns, Brooklyn Bridegrooms |
| William McCarthy | April 21, 1906 | April 21, 1906 | Pitcher | Boston Beaneaters |
| Frank McCarton | April 26, 1872 | August 5, 1872 | Outfielder | Middletown Mansfields |
| David McCarty | May 17, 1993 | May 1, 2005 | First baseman | Minnesota Twins, San Francisco Giants, Seattle Mariners, Kansas City Royals, Tampa Bay Rays, Oakland Athletics, Boston Red Sox |
| John McCarty | April 18, 1889 | July 7, 1889 | Pitcher | Kansas City Cowboys (AA) |
| Lew McCarty | August 30, 1913 | April 13, 1921 | Catcher | Brooklyn Superbas/Robins, New York Giants, St. Louis Cardinals |
| Tim McCarver | September 10, 1959 | October 5, 1980 | Catcher | St. Louis Cardinals, Philadelphia Phillies, Montreal Expos, Boston Red Sox |
| Kirk McCaskill | May 1, 1985 | July 20, 1996 | Pitcher | California Angels, Chicago White Sox |
| Steve McCatty | September 17, 1977 | September 25, 1985 | Pitcher | Oakland Athletics |
| Al McCauley | June 21, 1884 | October 6, 1891 | First baseman | Indianapolis Hoosiers (AA), Philadelphia Phillies, Washington Statesmen |
| Bill McCauley | August 31, 1895 | August 31, 1895 | Shortstop | Washington Senators (NL) |
| Jim McCauley | September 17, 1884 | July 15, 1886 | Catcher | St. Louis Browns (AA), Buffalo Bisons (NL), Chicago White Stockings, Brooklyn Grays |
| Pat McCauley | September 5, 1893 | September 3, 1903 | Catcher | St. Louis Browns (NL), Washington Senators (NL), New York Highlanders |
| Harry McChesney | September 17, 1904 | October 9, 1904 | Outfielder | Chicago Cubs |
| Joe McClain | April 14, 1961 | June 1, 1962 | Pitcher | Washington Senators (1961–71) |
| Scott McClain | May 14, 1998 | | First baseman | Tampa Bay Devil Rays, Chicago Cubs, San Francisco Giants |
| Pete McClanahan | April 14, 1931 | May 28, 1931 | Pinch hitter | Pittsburgh Pirates |
| Bill McClellan | May 20, 1878 | October 17, 1888 | Second baseman | Chicago White Stockings, Providence Grays, Brooklyn Grays/Bridegrooms, Cleveland Blues |
| Harvey McClellan | May 31, 1919 | September 29, 1924 | Shortstop | Chicago White Sox |
| Kyle McClellan | April 1, 2008 | | Pitcher | St. Louis Cardinals |
| Paul McClellan | September 2, 1990 | October 6, 1991 | Pitcher | San Francisco Giants |
| Zach McClellan | April 16, 2007 | May 13, 2007 | Pitcher | Colorado Rockies |
| Lloyd McClendon | April 6, 1987 | August 11, 1994 | Outfielder | Cincinnati Reds, Chicago Cubs, Pittsburgh Pirates |
| Mike McClendon | August 14, 2010 | | Pitcher | Milwaukee Brewers |
| Jeff McCleskey | September 8, 1913 | September 13, 1913 | Third baseman | Boston Braves |
| McCloskey, first name unknown | May 25, 1875 | July 4, 1875 | Catcher | Washington Nationals (NA) |
| Bill McCloskey | August 18, 1884 | September 9, 1884 | Utility player | Wilmington Quicksteps |
| Jim McCloskey | April 21, 1936 | May 12, 1936 | Pitcher | Boston Bees |
| John McCloskey | May 3, 1906 | May 31, 1907 | Pitcher | Philadelphia Phillies |
| Seth McClung | March 31, 2003 | | Pitcher | Tampa Bay Devil Rays, Milwaukee Brewers |
| Bob McClure | August 13, 1975 | May 17, 1993 | Pitcher | Kansas City Royals, Milwaukee Brewers, Montreal Expos, New York Mets, California Angels, St. Louis Cardinals, Florida Marlins |
| Hal McClure | May 10, 1882 | May 11, 1882 | Outfielder | Boston Red Caps |
| Larry McClure | July 26, 1910 | July 26, 1910 | Outfielder | New York Highlanders |
| Harry McCluskey | July 29, 1915 | August 20, 1915 | Pitcher | Cincinnati Reds |
| Alex McColl | August 27, 1933 | September 29, 1934 | Pitcher | Washington Senators |
| Ralph McConnaughey | July 8, 1914 | August 11, 1914 | Pitcher | Indianapolis Hoosiers (FL) |
| Amby McConnell | April 17, 1908 | October 8, 1911 | Second baseman | Boston Red Sox, Chicago White Sox |
| George McConnell | April 13, 1909 | September 26, 1916 | Pitcher | New York Highlanders/Yankees, Chicago Cubs, Chicago Whales |
| Sam McConnell (3B) | April 19, 1915 | May 17, 1915 | Third baseman | Philadelphia Athletics |
| Sam McConnell (P) | June 25, 2004 | July 27, 2004 | Pitcher | Atlanta Braves |
| Billy McCool | April 24, 1964 | July 8, 1970 | Pitcher | Cincinnati Reds, San Diego Padres, St. Louis Cardinals |
| Don McCormack | September 30, 1980 | October 4, 1981 | Catcher | Philadelphia Phillies |
| Barry McCormick | September 25, 1895 | August 30, 1904 | Utility infielder | Louisville Colonels, Chicago Colts/Orphans, St. Louis Browns, Washington Senators |
| Frank McCormick | September 11, 1934 | October 3, 1948 | First baseman | Cincinnati Reds, Philadelphia Phillies, Boston Braves |
| Harry McCormick | May 1, 1879 | September 20, 1883 | Pitcher | Syracuse Stars (NL), Worcester Ruby Legs, Cincinnati Red Stockings (AA) |
| Jerry McCormick | May 1, 1883 | October 19, 1884 | Third baseman | Baltimore Orioles (AA), Philadelphia Keystones, Washington Nationals (UA) |
| Jim McCormick (P) | May 20, 1878 | October 7, 1887 | Pitcher | Indianapolis Blues, Cleveland Blues (NL), Cincinnati Outlaw Reds, Providence Grays, Chicago White Stockings, Pittsburgh Alleghenys |
| Jim McCormick (IF) | September 10, 1892 | September 10, 1892 | Second baseman | St. Louis Browns (NL) |
| Mike McCormick (3B) | April 14, 1904 | August 31, 1904 | Third baseman | Brooklyn Superbas |
| Mike McCormick (OF) | April 16, 1940 | September 30, 1951 | Outfielder | Cincinnati Reds, Boston Braves, Brooklyn Dodgers, New York Giants, Chicago White Sox, Washington Senators |
| Mike McCormick (P) | September 3, 1956 | May 22, 1971 | Pitcher | New York/San Francisco Giants, Baltimore Orioles, Washington Senators (1961–71), New York Yankees, Kansas City Royals |
| Moose McCormick | April 14, 1904 | October 4, 1913 | Outfielder | New York Giants, Pittsburgh Pirates, Philadelphia Phillies |
| Bill McCorry | September 17, 1909 | September 29, 1909 | Pitcher | St. Louis Browns |
| Barney McCosky | April 18, 1939 | July 8, 1953 | Outfielder | Detroit Tigers, Philadelphia Athletics, Cincinnati Reds, Cleveland Indians |
| Willie McCovey β | July 30, 1959 | July 6, 1980 | First baseman | San Francisco Giants, San Diego Padres, Oakland Athletics |
| Art McCoy | July 8, 1889 | July 9, 1889 | Second baseman | Washington Nationals (1886–1889) |
| Benny McCoy | September 14, 1938 | September 28, 1941 | Second baseman | Detroit Tigers, Philadelphia Athletics |
| Mike McCoy | September 9, 2009 | | Utility player | Colorado Rockies, Toronto Blue Jays |
| Les McCrabb | September 7, 1939 | May 4, 1950 | Pitcher | Philadelphia Athletics |
| Quinton McCracken | September 17, 1995 | July 5, 2006 | Outfielder | Colorado Rockies, Tampa Bay Devil Rays, Minnesota Twins, Arizona Diamondbacks, Seattle Mariners, Cincinnati Reds |
| Tommy McCraw | June 4, 1963 | June 24, 1975 | First baseman | Chicago White Sox, Washington Senators (1961–71), Cleveland Indians, California Angels |
| Rodney McCray | April 30, 1990 | May 11, 1992 | Outfielder | Chicago White Sox, New York Mets |
| Frank McCrea | September 26, 1925 | September 26, 1925 | Catcher | Cleveland Indians |
| Walter McCredie | April 20, 1903 | June 27, 1903 | Outfielder | Brooklyn Superbas |
| Ed McCreery | August 16, 1914 | August 27, 1914 | Pitcher | Detroit Tigers |
| Tom McCreery | June 8, 1895 | September 27, 1903 | Outfielder | Louisville Colonels, New York Giants, Pittsburgh Pirates, Brooklyn Superbas, Boston Beaneaters |
| Bob McCrory | April 30, 2008 | | Pitcher | Baltimore Orioles |
| Frank McCue | September 15, 1922 | September 22, 1922 | Third baseman | Philadelphia Athletics |
| Lance McCullers | August 12, 1985 | June 4, 1992 | Pitcher | San Diego Padres, New York Yankees, Detroit Tigers, Texas Rangers |
| Charlie McCullough | April 23, 1890 | August 29, 1890 | Pitcher | Brooklyn Gladiators, Syracuse Stars (AA) |
| Clyde McCullough | April 28, 1940 | July 22, 1956 | Catcher | Chicago Cubs, Pittsburgh Pirates |
| Paul McCullough | July 2, 1929 | July 8, 1929 | Pitcher | Washington Senators |
| Phil McCullough | April 22, 1942 | April 22, 1942 | Pitcher | Washington Senators |
| Harry McCurdy | July 1, 1922 | July 1, 1934 | Catcher | St. Louis Cardinals, Chicago White Sox, Philadelphia Phillies, Cincinnati Reds |
| Jeff McCurry | May 6, 1995 | June 22, 1999 | Pitcher | Pittsburgh Pirates, Detroit Tigers, Colorado Rockies, Houston Astros |
| Andrew McCutchen | June 4, 2009 | | Outfielder | Pittsburgh Pirates |
| Daniel McCutchen | August 31, 2009 | | Pitcher | Pittsburgh Pirates |
| Lindy McDaniel | September 2, 1955 | September 27, 1955 | Pitcher | St. Louis Cardinals, Chicago Cubs, San Francisco Giants, New York Yankees, Kansas City Royals |
| Terry McDaniel | August 30, 1991 | October 4, 1991 | Outfielder | New York Mets |
| Von McDaniel | June 13, 1957 | May 11, 1958 | Pitcher | St. Louis Cardinals |
| Ray McDavid | July 15, 1994 | October 1, 1995 | Outfielder | San Diego Padres |
| Joe McDermott | May 4, 1871 | July 6, 1872 | Pitcher | Fort Wayne Kekiongas, Eckford of Brooklyn |
| Michael McDermott | September 2, 1889 | October 13, 1889 | Pitcher | Louisville Colonels |
| Mickey McDermott | April 24, 1948 | August 10, 1961 | Pitcher | Boston Red Sox, Washington Senators, New York Yankees, Kansas City Athletics, Detroit Tigers, St. Louis Cardinals |
| Mike McDermott | April 20, 1895 | July 31, 1897 | Pitcher | Louisville Colonels, Cleveland Spiders, St. Louis Browns (NL) |
| Red McDermott | August 6, 1912 | August 8, 1912 | Outfielder | Detroit Tigers |
| Sandy McDermott | June 18, 1885 | June 18, 1885 | Second baseman | Baltimore Orioles (AA) |
| Terry McDermott | September 12, 1972 | September 26, 1972 | First baseman | Los Angeles Dodgers |
| Danny McDevitt | June 17, 1957 | September 19, 1962 | Pitcher | Brooklyn/Los Angeles Dodgers, New York Yankees, Minnesota Twins, Kansas City Athletics |
| Allen McDill | May 15, 1997 | October 2, 2001 | Pitcher | Kansas City Royals, Detroit Tigers, Boston Red Sox |
| Ben McDonald | August 19, 1989 | July 16, 1997 | Pitcher | Baltimore Orioles, Milwaukee Brewers |
| Darnell McDonald | April 30, 2004 | | Outfielder | Baltimore Orioles, Minnesota Twins, Cincinnati Reds, Boston Red Sox |
| Dave McDonald | September 15, 1969 | September 26, 1971 | First baseman | New York Yankees, Montreal Expos |
| Donzell McDonald | April 19, 2001 | June 21, 2002 | Outfielder | New York Yankees, Kansas City Royals |
| Ed McDonald | August 5, 1911 | April 15, 1913 | Third baseman | Boston Rustlers/Braves, Chicago Cubs |
| Hank McDonald | April 16, 1931 | September 30, 1933 | Pitcher | Philadelphia Athletics, St. Louis Browns |
| Jack McDonald | May 2, 1872 | May 18, 1872 | Outfielder | Brooklyn Atlantics, Eckford of Brooklyn |
| James McDonald | September 17, 2008 | | Pitcher | Los Angeles Dodgers, Pittsburgh Pirates |
| Jason McDonald | June 5, 1997 | June 9, 2000 | Outfielder | Oakland Athletics, Texas Rangers |
| Jim McDonald (3B) | June 20, 1884 | October 10, 1885 | Utility player | Washington Nationals (UA), Pittsburgh Alleghenys, Buffalo Bisons (NL) |
| Jim McDonald (OF) | June 2, 1902 | June 3, 1902 | Outfielder | New York Giants |
| Jim McDonald (P) | July 27, 1950 | April 26, 1958 | Pitcher | Boston Red Sox, St. Louis Browns, New York Yankees, Baltimore Orioles, Chicago White Sox |
| Joe McDonald | September 6, 1910 | September 14, 1910 | Third baseman | St. Louis Browns |
| John McDonald (P) | September 3, 1907 | September 3, 1907 | Pitcher | Washington Senators |
| John McDonald (SS) | July 4, 1999 | | Shortstop | Cleveland Indians, Toronto Blue Jays, Detroit Tigers, Arizona Diamondbacks |
| Keith McDonald | July 4, 2000 | September 28, 2001 | Catcher | St. Louis Cardinals |
| Tex McDonald | April 11, 1912 | August 14, 1915 | Outfielder | Cincinnati Reds, Boston Braves, Pittsburgh Burghers, Buffalo Buffeds/Blues |
| Jim McDonnell | September 23, 1943 | September 23, 1945 | Catcher | Cleveland Indians |
| Ed McDonough | August 3, 1909 | October 11, 1910 | Catcher | Philadelphia Phillies |
| McDoolan, first name unknown | April 14, 1873 | April 14, 1873 | Pitcher | Baltimore Marylands |
| Dewey McDougal | April 24, 1895 | May 12, 1896 | Pitcher | St. Louis Browns (NL) |
| Sandy McDougal | June 12, 1895 | October 8, 1905 | Pitcher | Brooklyn Grooms, St. Louis Cardinals |
| Gil McDougald | April 20, 1951 | October 2, 1960 | Utility infielder | New York Yankees |
| Marshall McDougall | June 7, 2005 | October 2, 2005 | Utility player | Texas Rangers |
| Jack McDowell | September 15, 1987 | August 8, 1999 | Pitcher | Chicago White Sox, New York Yankees, Cleveland Indians, Anaheim Angels |
| Oddibe McDowell | May 19, 1985 | August 10, 1994 | Outfielder | Texas Rangers, Cleveland Indians, Atlanta Braves |
| Roger McDowell | April 11, 1985 | August 14, 1996 | Pitcher | New York Mets, Philadelphia Phillies, Los Angeles Dodgers, Texas Rangers, Baltimore Orioles |
| Sam McDowell | September 15, 1961 | June 24, 1975 | Pitcher | Cleveland Indians, San Francisco Giants, New York Yankees, Pittsburgh Pirates |
| Chuck McElroy | September 4, 1989 | October 7, 2001 | Pitcher | Philadelphia Phillies, Chicago Cubs, Cincinnati Reds, California/Anaheim Angels, Chicago White Sox, Colorado Rockies, New York Mets, Baltimore Orioles, San Diego Padres |
| Jim McElroy | May 26, 1884 | August 21, 1884 | Pitcher | Philadelphia Phillies, Wilmington Quicksteps |
| Pryor McElveen | April 26, 1909 | June 4, 1911 | Third baseman | Brooklyn Superbas/Dodgers |
| Lee McElwee | July 3, 1916 | September 28, 1916 | Third baseman | Philadelphia Athletics |
| Frank McElyea | September 10, 1942 | September 26, 1942 | Outfielder | Boston Braves |
| Will McEnaney | July 3, 1974 | September 27, 1979 | Pitcher | Cincinnati Reds, Montreal Expos, Pittsburgh Pirates, St. Louis Cardinals |
| Lou McEvoy | April 28, 1930 | July 26, 1931 | Pitcher | New York Yankees |
| Joe McEwing | September 2, 1998 | May 20, 2006 | Utility player | St. Louis Cardinals, New York Mets, Kansas City Royals, Houston Astros |
| Barney McFadden | April 24, 1901 | September 16, 1902 | Pitcher | Cincinnati Reds, Philadelphia Phillies |
| Guy McFadden | August 24, 1895 | August 28, 1895 | First baseman | St. Louis Browns (NL) |
| Leon McFadden | September 6, 1968 | April 28, 1970 | Shortstop | Houston Astros |
| Alex McFarlan | June 19, 1892 | July 1, 1892 | Outfielder | Louisville Colonels |
| Dan McFarlan | September 2, 1895 | September 29, 1899 | Pitcher | Louisville Colonels, Brooklyn Superbas, Washington Senators (NL) |
| Chappie McFarland | September 15, 1902 | August 7, 1906 | Pitcher | St. Louis Cardinals, Pittsburgh Pirates, Brooklyn Superbas |
| Chris McFarland | April 19, 1884 | April 29, 1884 | Outfielder | Baltimore Monumentals |
| Ed McFarland | July 7, 1893 | June 26, 1908 | Catcher | Cleveland Spiders, St. Louis Browns (NL), Philadelphia Phillies, Chicago White Sox, Boston Red Sox |
| Herm McFarland | April 21, 1896 | September 29, 1903 | Outfielder | Louisville Colonels, Cincinnati Reds, Chicago White Sox, Baltimore Orioles (1901–02), New York Highlanders |
| Howie McFarland | July 16, 1945 | August 16, 1945 | Outfielder | Washington Senators |
| Monte McFarland | September 14, 1895 | June 8, 1896 | Pitcher | Chicago Colts |
| Orlando McFarlane | April 23, 1962 | August 21, 1968 | Catcher | Pittsburgh Pirates, Detroit Tigers, California Angels |
| Jack McFetridge | June 7, 1890 | September 27, 1903 | Pitcher | Philadelphia Phillies |
| Andy McGaffigan | September 22, 1981 | July 6, 1991 | Pitcher | New York Yankees, San Francisco Giants, Montreal Expos, Cincinnati Reds, Kansas City Royals |
| Patsy McGaffigan | April 16, 1917 | June 22, 1918 | Second baseman | Philadelphia Phillies |
| Eddie McGah | April 26, 1946 | September 21, 1947 | Catcher | Boston Red Sox |
| Ambrose McGann | May 2, 1895 | September 24, 1895 | Utility player | Louisville Colonels |
| Dan McGann | August 8, 1896 | October 7, 1908 | First baseman | Boston Beaneaters, Baltimore Orioles (NL), Washington Senators (NL), St. Louis Cardinals, Baltimore Orioles (1901–02), New York Giants, Boston Doves |
| Chippy McGarr | July 11, 1884 | September 26, 1896 | Third baseman | Chicago Browns/Pittsburgh Stogies, Philadelphia Athletics (AA), St. Louis Browns (AA), Kansas City Cowboys (AA), Baltimore Orioles (AA), Boston Beaneaters, Cleveland Spiders |
| Jim McGarr | May 18, 1912 | May 18, 1912 | Second baseman | Detroit Tigers |
| Dan McGarvey | May 18, 1912 | May 18, 1912 | Outfielder | Detroit Tigers |
| Jack McGeachey | June 17, 1886 | August 24, 1891 | Outfielder | Detroit Wolverines, St. Louis Maroons, Indianapolis Hoosiers (NL), Brooklyn Ward's Wonders, Philadelphia Athletics (1890–91), Boston Reds (1890–91) |
| Mike McGeary | May 9, 1871 | June 26, 1882 | Utility infielder | Troy Haymakers, Philadelphia Athletics (1860–76), Philadelphia White Stockings, St. Louis Brown Stockings, Providence Grays, Cleveland Blues (NL), Detroit Wolverines |
| Bill McGee | September 29, 1935 | September 22, 1942 | Pitcher | St. Louis Cardinals, New York Giants |
| Dan McGee | July 14, 1934 | July 20, 1934 | Shortstop | Boston Braves |
| Frank McGee | September 19, 1925 | September 30, 1925 | First baseman | Washington Senators |
| Jake McGee | September 14, 2010 | | Pitcher | Tampa Bay Rays |
| Pat McGee | September 24, 1874 | September 17, 1875 | Outfielder | Brooklyn Atlantics, New York Mutuals |
| Willie McGee | May 10, 1982 | October 3, 1999 | Outfielder | St. Louis Cardinals, Oakland Athletics, San Francisco Giants, Boston Red Sox |
| Connie McGeehan | July 15, 1903 | August 14, 1903 | Pitcher | Philadelphia Athletics |
| Dan McGeehan | April 22, 1911 | April 24, 1911 | Second baseman | St. Louis Cardinals |
| Casey McGehee | September 2, 2008 | | Third baseman | Chicago Cubs, Milwaukee Brewers |
| Kevin McGehee | August 23, 1993 | September 30, 1993 | Pitcher | Baltimore Orioles |
| Pat McGehee | August 23, 1912 | August 23, 1912 | Pitcher | Detroit Tigers |
| Bill McGhee | July 5, 1944 | September 16, 1945 | First baseman | Philadelphia Athletics |
| Ed McGhee | September 20, 1950 | May 26, 1955 | Outfielder | Chicago White Sox, Philadelphia Athletics |
| Randy McGilberry | September 6, 1977 | October 1, 1978 | Pitcher | Kansas City Royals |
| Bill McGill | September 16, 1907 | September 27, 1907 | Pitcher | St. Louis Browns |
| Willie McGill | May 8, 1890 | June 12, 1896 | Pitcher | Cleveland Infants, Cincinnati Kelly's Killers, Cincinnati Reds, Chicago Colts, Philadelphia Phillies |
| John McGillen | April 20, 1944 | April 29, 1944 | Pitcher | Philadelphia Athletics |
| Bill McGilvray | April 17, 1908 | April 27, 1908 | Pitcher | Cincinnati Reds |
| Jim McGinley | September 22, 1904 | May 5, 1905 | Pitcher | St. Louis Cardinals |
| Tim McGinley | April 21, 1875 | May 15, 1876 | Catcher | Philadelphia Centennials, New Haven Elm Citys |
| Dan McGinn | September 3, 1968 | October 3, 1972 | Pitcher | Cincinnati Reds, Montreal Expos, Chicago Cubs |
| Frank McGinn | June 9, 1890 | June 9, 1890 | Outfielder | Pittsburgh Alleghenys |
| Gus McGinnis | April 27, 1893 | September 26, 1893 | Pitcher | Chicago Colts, Philadelphia Phillies |
| Jumbo McGinnis | May 2, 1882 | June 10, 1887 | Pitcher | St. Louis Browns (AA), Baltimore Orioles (AA), Cincinnati Red Stockings (AA) |
| Russ McGinnis | June 3, 1992 | May 9, 1995 | Catcher | Texas Rangers, Kansas City Royals |
| Joe McGinnity β | April 18, 1899 | October 5, 1908 | Pitcher | Baltimore Orioles (NL), Brooklyn Superbas, Baltimore Orioles (1901–02), New York Giants |
| Kevin McGlinchy | April 5, 1999 | September 28, 2000 | Pitcher | Atlanta Braves |
| John McGlone | October 7, 1886 | August 15, 1888 | Third baseman | Washington Nationals (1886–1889), Cleveland Blues (AA) |
| Lynn McGlothen | June 25, 1972 | September 19, 1982 | Pitcher | Boston Red Sox, St. Louis Cardinals, San Francisco Giants, Chicago Cubs, Chicago White Sox, New York Yankees |
| Pat McGlothin | April 25, 1949 | April 18, 1950 | Pitcher | Brooklyn Dodgers |
| Jim McGlothlin | September 20, 1965 | September 28, 1973 | Pitcher | California Angels, Cincinnati Reds, Chicago White Sox |
| Stoney McGlynn | September 20, 1906 | September 2, 1908 | Pitcher | St. Louis Cardinals |
| Art McGovern | April 21, 1905 | October 3, 1905 | Catcher | Boston Americans |
| Beauty McGowan | April 12, 1922 | May 13, 1937 | Outfielder | Philadelphia Athletics, St. Louis Browns, Boston Bees |
| Dustin McGowan | July 30, 2005 | | Pitcher | Toronto Blue Jays |
| Mickey McGowan | April 22, 1948 | May 1, 1948 | Pitcher | New York Giants |
| Howard McGraner | September 12, 1912 | October 6, 1912 | Pitcher | Cincinnati Reds |
| Bob McGraw | September 25, 1917 | September 28, 1929 | Pitcher | New York Yankees, Boston Red Sox, Brooklyn Robins, St. Louis Cardinals, Philadelphia Phillies |
| John McGraw (3B/Mgr) β | August 26, 1891 | September 12, 1906 | Third baseman | Baltimore Orioles (AA/NL), St. Louis Cardinals, Baltimore Orioles (1901–02), New York Giants |
| John McGraw (P) | July 29, 1914 | July 29, 1914 | Pitcher | Brooklyn Tip-Tops |
| Tom McGraw | May 7, 1997 | May 9, 1997 | Pitcher | St. Louis Cardinals |
| Tug McGraw | April 18, 1965 | September 25, 1984 | Pitcher | New York Mets, Philadelphia Phillies |
| Scott McGregor | September 19, 1976 | April 27, 1988 | Pitcher | Baltimore Orioles |
| Slim McGrew | April 18, 1922 | June 8, 1924 | Pitcher | Washington Senators |
| Fred McGriff | May 17, 1986 | July 15, 2004 | First baseman | Toronto Blue Jays, San Diego Padres, Atlanta Braves, Tampa Bay Devil Rays, Chicago Cubs, Los Angeles Dodgers |
| Terry McGriff | July 11, 1987 | August 7, 1994 | Catcher | Cincinnati Reds, Houston Astros, Florida Marlins, St. Louis Cardinals |
| Mark McGrillis | September 17, 1892 | September 17, 1892 | Third baseman | St. Louis Browns (NL) |
| Joe McGuckin | August 27, 1890 | September 8, 1890 | Outfielder | Baltimore Orioles (AA) |
| John McGuinness | May 6, 1876 | August 7, 1884 | First baseman | New York Mutuals, Syracuse Stars (NL), Philadelphia Keystones |
| McGuire, (first name unknown) | June 16, 1894 | June 16, 1894 | Pitcher | Cincinnati Reds |
| Bill McGuire | August 2, 1988 | September 22, 1989 | Catcher | Seattle Mariners |
| Deacon McGuire | June 21, 1884 | May 18, 1912 | Catcher | Toledo Blue Stockings, Detroit Wolverines, Philadelphia Quakers, Cleveland Blues (AA), Rochester Broncos, Washington Statesmen/Senators (NL), Brooklyn Superbas, Detroit Tigers, New York Highlanders, Boston Americans/Red Sox, Cleveland Indians |
| Jim McGuire | September 10, 1901 | September 28, 1901 | Shortstop | Cleveland Blues (AL) |
| Mickey McGuire | September 7, 1962 | October 1, 1967 | Utility infielder | Baltimore Orioles |
| Ryan McGuire | June 5, 1997 | July 14, 2002 | First baseman | Montreal Expos, New York Mets, Florida Marlins, Baltimore Orioles |
| Tom McGuire | April 18, 1914 | August 9, 1919 | Pitcher | Chicago Chi-Feds, Chicago White Sox |
| Bill McGunnigle | May 2, 1879 | August 17, 1882 | Outfielder | Buffalo Bisons (NL), Worcester Ruby Legs, Cleveland Blues (NL) |
| Mark McGwire | August 22, 1986 | October 7, 2001 | First baseman | Oakland Athletics, St. Louis Cardinals |
| Bob McHale | May 9, 1898 | June 4, 1898 | Outfielder | Washington Senators (NL) |
| Jim McHale | April 14, 1908 | July 7, 1908 | Outfielder | Boston Red Sox |
| John McHale | May 28, 1943 | April 23, 1948 | First baseman | Detroit Tigers |
| Marty McHale | September 28, 1910 | May 8, 1916 | Pitcher | Boston Red Sox, New York Yankees, Cleveland Indians |
| Austin McHenry | June 22, 1918 | July 31, 1922 | Outfielder | St. Louis Cardinals |
| Vance McHenry | August 13, 1981 | June 27, 1982 | Shortstop | Seattle Mariners |
| Vance McIlree | September 13, 1921 | September 13, 1921 | Pitcher | Washington Senators |
| Irish McIlveen | July 4, 1906 | May 6, 1909 | Outfielder | Pittsburgh Pirates, New York Highlanders |
| Stover McIlwain | September 25, 1957 | September 28, 1958 | Pitcher | Chicago White Sox |
| Stuffy McInnis | April 12, 1909 | August 1, 1927 | First baseman | Philadelphia Athletics, Boston Red Sox, Cleveland Indians, Boston Braves, Pittsburgh Pirates, Philadelphia Phillies |
| Harry McIntire | April 14, 1905 | April 22, 1913 | Pitcher | Brooklyn Superbas, Chicago Cubs, Cincinnati Reds |
| Joe McIntosh | April 5, 1974 | September 27, 1975 | Pitcher | San Diego Padres |
| Tim McIntosh | September 3, 1990 | June 12, 1996 | Utility player | Milwaukee Brewers, Montreal Expos, New York Yankees |
| Frank McIntyre | May 16, 1883 | June 20, 1883 | Pitcher | Detroit Wolverines, Columbus Buckeyes |
| Matty McIntyre | July 3, 1901 | August 21, 1912 | Outfielder | Philadelphia Athletics, Detroit Tigers, Chicago White Sox |
| Otto McIvor | April 18, 1911 | September 28, 1911 | Outfielder | St. Louis Cardinals |
| Doc McJames | September 24, 1895 | July 13, 1901 | Pitcher | Washington Senators (NL), Baltimore Orioles (NL), Brooklyn Superbas |
| Archie McKain | April 25, 1937 | July 5, 1943 | Pitcher | Boston Red Sox, Detroit Tigers, St. Louis Browns |
| Hal McKain | September 22, 1927 | May 30, 1932 | Pitcher | Cleveland Indians, Chicago White Sox |
| Cody McKay | September 22, 2002 | October 2, 2004 | Catcher | Oakland Athletics, St. Louis Cardinals |
| Dave McKay | August 22, 1975 | October 3, 1982 | Second baseman | Minnesota Twins, Toronto Blue Jays |
| Reeve McKay | October 2, 1915 | October 2, 1915 | Pitcher | St. Louis Browns |
| Ed McKean | April 16, 1887 | July 27, 1899 | Shortstop | Cleveland Blues (AA)/Spiders, St. Louis Perfectos |
| Bill McKechnie β | September 8, 1907 | September 28, 1920 | Third baseman | Pittsburgh Pirates, Boston Braves, New York Yankees, Indianapolis Hoosiers (FL)/Newark Peppers, New York Giants, Cincinnati Reds |
| Frank McKee | June 11, 1884 | July 3, 1884 | Utility player | Washington Nationals (UA) |
| Jim McKee | September 15, 1972 | September 29, 1973 | Pitcher | Pittsburgh Pirates |
| Red McKee | April 19, 1913 | September 19, 1916 | Catcher | Detroit Tigers |
| Roger McKee | August 18, 1943 | September 26, 1944 | Pitcher | Philadelphia Phillies |
| Walt McKeel | September 14, 1996 | July 27, 2002 | Catcher | Boston Red Sox, Colorado Rockies |
| Jim McKeever | April 17, 1884 | July 11, 1884 | Catcher | Boston Reds (UA) |
| Tim McKeithan | July 21, 1932 | May 20, 1934 | Pitcher | Philadelphia Athletics |
| John McKelvey | April 19, 1875 | October 28, 1875 | Outfielder | New Haven Elm Citys |
| Russ McKelvy | May 1, 1878 | August 24, 1882 | Outfielder | Indianapolis Blues, Pittsburgh Alleghenys |
| Ed McKenna | July 29, 1874 | July 5, 1884 | Catcher | Philadelphia White Stockings, St. Louis Brown Stockings, Washington Nationals (UA) |
| Kit McKenna | July 7, 1898 | September 27, 1899 | Pitcher | Brooklyn Bridegrooms, Baltimore Orioles (NL) |
| Limb McKenry | July 24, 1915 | May 5, 1916 | Pitcher | Cincinnati Reds |
| Michael McKenry | September 8, 2010 | | Catcher | Colorado Rockies, Pittsburgh Pirates |
| Joel McKeon | May 6, 1986 | July 10, 1987 | Pitcher | Chicago White Sox |
| Larry McKeon | May 1, 1884 | September 15, 1886 | Pitcher | Indianapolis Hoosiers (AA), Cincinnati Red Stockings (AA), Kansas City Cowboys (NL) |
| Dave McKeough | April 22, 1890 | June 12, 1891 | Catcher | Rochester Broncos, Philadelphia Athletics (1890–91) |
| Bob McKinney | July 23, 1901 | August 2, 1901 | Utility infielder | Philadelphia Athletics |
| Rich McKinney | June 26, 1970 | October 2, 1977 | Utility infielder | Chicago White Sox, New York Yankees, Oakland Athletics |
| Alex McKinnon | May 1, 1884 | July 4, 1887 | First baseman | New York Gothams, St. Louis Maroons, Pittsburgh Alleghenys |
| Jeff McKnight | June 6, 1989 | August 11, 1994 | Utility infielder | New York Mets, Baltimore Orioles |
| Jim McKnight | September 22, 1960 | September 9, 1962 | Third baseman | Chicago Cubs |
| Tony McKnight | August 10, 2000 | October 6, 2001 | Pitcher | Houston Astros, Pittsburgh Pirates |
| Denny McLain | September 21, 1963 | September 12, 1972 | Pitcher | Detroit Tigers, Washington Senators (1961–71), Oakland Athletics, Atlanta Braves |
| Ed McLane | October 5, 1907 | October 5, 1907 | Outfielder | Brooklyn Superbas |
| Art McLarney | August 23, 1932 | September 25, 1932 | Shortstop | New York Giants |
| Polly McLarry | September 2, 1912 | September 24, 1915 | Utility infielder | Chicago White Sox, Chicago Cubs |
| Barney McLaughlin | August 2, 1884 | August 12, 1890 | Utility infielder | Kansas City Cowboys (UA), Philadelphia Quakers, Syracuse Stars (AA) |
| Bo McLaughlin | July 20, 1976 | July 9, 1982 | Pitcher | Houston Astros, Atlanta Braves, Oakland Athletics |
| Byron McLaughlin | September 18, 1977 | September 27, 1983 | Pitcher | Seattle Mariners, California Angels |
| Frank McLaughlin | August 9, 1882 | August 19, 1884 | Shortstop | Worcester Ruby Legs, Pittsburgh Alleghenys, Cincinnati Outlaw Reds, Chicago Browns/Pittsburgh Stogies, Kansas City Cowboys (UA) |
| Jim McLaughlin (P/OF) | May 30, 1884 | July 15, 1884 | Utility player | Baltimore Orioles (AA) |
| Jim McLaughlin (3B) | April 18, 1932 | April 18, 1932 | Third baseman | St. Louis Browns |
| Joey McLaughlin | June 11, 1977 | September 25, 1984 | Pitcher | Atlanta Braves, Toronto Blue Jays, Texas Rangers |
| Jud McLaughlin | June 23, 1931 | May 18, 1933 | Pitcher | Boston Red Sox |
| Kid McLaughlin | June 30, 1914 | July 12, 1914 | Outfielder | Cincinnati Reds |
| Pat McLaughlin | April 25, 1937 | August 5, 1945 | Pitcher | Detroit Tigers, Philadelphia Athletics |
| Tom McLaughlin | July 17, 1883 | October 3, 1891 | Shortstop | Louisville Eclipse, New York Metropolitans, Washington Statesmen |
| Warren McLaughlin | July 7, 1900 | May 21, 1903 | Pitcher | Philadelphia Phillies, Pittsburgh Pirates |
| William McLaughlin | May 3, 1884 | May 18, 1884 | Shortstop | Washington Nationals (UA) |
| Ralph McLaurin | September 5, 1908 | October 4, 1908 | Outfielder | St. Louis Cardinals |
| Al McLean | July 16, 1935 | July 30, 1935 | Pitcher | Washington Senators |
| Larry McLean | April 26, 1901 | June 6, 1915 | Catcher | Boston Americans, Chicago Cubs, St. Louis Cardinals, Cincinnati Reds, New York Giants |
| Marty McLeary | August 22, 2004 | May 19, 2007 | Pitcher | San Diego Padres, Pittsburgh Pirates |
| Wayne McLeland | April 20, 1951 | May 10, 1952 | Pitcher | Detroit Tigers |
| Mark McLemore (2B) | September 13, 1986 | October 2, 2004 | Second baseman | California Angels, Cleveland Indians, Houston Astros, Baltimore Orioles, Texas Rangers, Seattle Mariners, Oakland Athletics |
| Mark McLemore (P) | May 24, 2007 | September 30, 2007 | Pitcher | Houston Astros |
| Jim McLeod | May 22, 1930 | October 1, 1933 | Third baseman | Washington Senators, Philadelphia Phillies |
| Ralph McLeod | September 14, 1938 | October 1, 1938 | Outfielder | Boston Bees |
| Cal McLish | May 13, 1944 | July 14, 1964 | Pitcher | Brooklyn Dodgers, Pittsburgh Pirates, Chicago Cubs, Cleveland Indians, Cincinnati Reds, Chicago White Sox, Philadelphia Phillies |
| Nate McLouth | June 29, 2005 | | Outfielder | Pittsburgh Pirates, Atlanta Braves |
| Sam McMackin | September 4, 1902 | September 21, 1902 | Pitcher | Chicago White Sox, Detroit Tigers |
| Jack McMahan | April 18, 1956 | September 23, 1956 | Pitcher | Pittsburgh Pirates, Kansas City Athletics |
| Doc McMahon | October 6, 1908 | October 6, 1908 | Pitcher | Boston Red Sox |
| Don McMahon | June 30, 1957 | June 29, 1974 | Pitcher | Milwaukee Braves, Houston Colt .45s, Cleveland Indians, Boston Red Sox, Chicago White Sox, Detroit Tigers, San Francisco Giants |
| Jack McMahon | August 8, 1892 | June 19, 1893 | First baseman | New York Giants |
| Sadie McMahon | July 5, 1889 | July 12, 1897 | Pitcher | Philadelphia Athletics (AA), Baltimore Orioles (AA/NL), Brooklyn Bridegrooms |
| John McMakin | April 19, 1902 | May 31, 1902 | Pitcher | Brooklyn Superbas |
| Frank McManus | September 14, 1899 | October 8, 1904 | Catcher | Washington Senators (NL), Brooklyn Superbas, Detroit Tigers, New York Highlanders |
| Jim McManus | September 21, 1960 | October 2, 1960 | First baseman | Kansas City Athletics |
| Joe McManus | April 12, 1913 | April 12, 1913 | Pitcher | Cincinnati Reds |
| Marty McManus | September 25, 1920 | September 30, 1934 | Utility infielder | St. Louis Browns, Detroit Tigers, Boston Red Sox, Boston Braves |
| Pat McManus | May 22, 1879 | August 13, 1879 | Pitcher | Troy Trojans |
| Jimmy McMath | September 7, 1968 | September 22, 1968 | Outfielder | Chicago Cubs |
| Greg McMichael | April 12, 1993 | May 27, 2000 | Pitcher | Atlanta Braves, New York Mets, Los Angeles Dodgers, Oakland Athletics |
| George McMillan | August 11, 1890 | August 22, 1890 | Outfielder | New York Giants |
| Norm McMillan | April 12, 1922 | October 6, 1929 | Third baseman | New York Yankees, Boston Red Sox, St. Louis Browns, Chicago Cubs |
| Roy McMillan | April 17, 1951 | August 3, 1966 | Shortstop | Cincinnati Reds, Milwaukee Braves, New York Mets |
| Tom McMillan | September 17, 1977 | September 21, 1977 | Shortstop | Seattle Mariners |
| Tommy McMillan | August 19, 1908 | October 5, 1912 | Shortstop | Brooklyn Superbas, Cincinnati Reds, New York Highlanders |
| Billy McMillon | July 26, 1996 | October 3, 2004 | Outfielder | Florida Marlins, Philadelphia Phillies, Detroit Tigers, Oakland Athletics |
| Hugh McMullen | September 19, 1925 | April 20, 1929 | Catcher | New York Giants, Washington Senators, Cincinnati Reds |
| Ken McMullen | September 17, 1962 | September 14, 1977 | Third baseman | Los Angeles Dodgers, Washington Senators (1961–71), California Angels, Oakland Athletics, Milwaukee Brewers |
| Fred McMullin | August 27, 1914 | September 20, 1920 | Third baseman | Detroit Tigers, Chicago White Sox |
| James McMullin | July 2, 1887 | July 10, 1887 | Pitcher | New York Metropolitans |
| John McMullin | May 9, 1871 | October 25, 1875 | Outfielder | Troy Haymakers, New York Mutuals, Philadelphia Athletics (1860–76), Philadelphia White Stockings |
| Craig McMurtry | April 10, 1983 | September 28, 1995 | Pitcher | Atlanta Braves, Texas Rangers, Houston Astros |
| Carl McNabb | April 20, 1945 | April 20, 1945 | Pinch hitter | Detroit Tigers |
| Edgar McNabb | May 12, 1893 | August 11, 1893 | Pitcher | Baltimore Orioles (NL) |
| Eric McNair | September 20, 1929 | September 19, 1942 | Shortstop | Philadelphia Athletics, Boston Red Sox, Chicago White Sox, Detroit Tigers |
| Dave McNally | September 26, 1962 | June 8, 1975 | Pitcher | Baltimore Orioles, Montreal Expos |
| Mike McNally | April 21, 1915 | June 12, 1925 | Utility infielder | Boston Red Sox, New York Yankees, Washington Senators |
| Bob McNamara | May 27, 1939 | September 20, 1939 | Third baseman | Philadelphia Athletics |
| Dinny McNamara | July 2, 1927 | May 30, 1928 | Outfielder | Boston Braves |
| George McNamara | September 28, 1922 | September 29, 1922 | Outfielder | Washington Senators |
| Jim McNamara | April 9, 1992 | July 28, 1993 | Catcher | San Francisco Giants |
| Tim McNamara | June 27, 1922 | May 15, 1926 | Pitcher | Boston Braves, New York Giants |
| Tom McNamara | June 25, 1922 | June 25, 1922 | Pinch hitter | Pittsburgh Pirates |
| Gordon McNaughton | August 13, 1932 | September 18, 1932 | Pitcher | Boston Red Sox |
| Harry McNeal | August 5, 1901 | September 26, 1901 | Pitcher | Cleveland Blues (AL) |
| Rusty McNealy | September 4, 1983 | October 2, 1983 | Outfielder | Oakland Athletics |
| Earl McNeely | August 9, 1924 | September 26, 1931 | Outfielder | Washington Senators, St. Louis Browns |
| Jeff McNeely | September 5, 1993 | October 5, 1993 | Outfielder | Boston Red Sox |
| Norm McNeil | June 21, 1919 | September 24, 1919 | Catcher | Boston Red Sox |
| Jerry McNertney | April 16, 1964 | June 15, 1973 | Catcher | Chicago White Sox, Seattle Pilots, Milwaukee Brewers, St. Louis Cardinals, Pittsburgh Pirates |
| Brian McNichol | September 7, 1999 | September 30, 1999 | Pitcher | Chicago Cubs |
| Ed McNichol | July 9, 1904 | October 3, 1904 | Pitcher | Boston Beaneaters |
| Bill McNulty | July 9, 1969 | October 4, 1972 | Outfielder | Oakland Athletics |
| Pat McNulty | September 5, 1922 | May 30, 1927 | Outfielder | Cleveland Indians |
| Frank McPartlin | August 22, 1899 | August 22, 1899 | Pitcher | New York Giants |
| Bid McPhee β | May 2, 1882 | October 15, 1899 | Second baseman | Cincinnati Red Stockings (AA)/Reds |
| Dallas McPherson | September 10, 2004 | | Third baseman | Anaheim Angels/Los Angeles Angels of Anaheim, Florida Marlins, Chicago White Sox |
| John McPherson | July 12, 1901 | July 10, 1904 | Pitcher | Philadelphia Athletics, Philadelphia Phillies |
| Herb McQuaid | June 22, 1923 | September 13, 1926 | Pitcher | Cincinnati Reds, New York Yankees |
| Mart McQuaid | August 15, 1891 | August 25, 1898 | Second baseman | St. Louis Browns (AA), Washington Senators (NL) |
| Jerry McQuaig | August 25, 1934 | September 30, 1934 | Outfielder | Philadelphia Athletics |
| Mike McQueen | October 2, 1969 | June 15, 1974 | Pitcher | Atlanta Braves, Cincinnati Reds |
| Mox McQuery | August 20, 1884 | July 25, 1891 | First baseman | Cincinnati Outlaw Reds, Detroit Wolverines, Kansas City Cowboys (NL), Syracuse Stars (AA), Washington Statesmen |
| George McQuillan | May 8, 1907 | September 1, 1918 | Pitcher | Philadelphia Phillies, Cincinnati Reds, Pittsburgh Pirates, Cleveland Indians |
| Hugh McQuillan | July 26, 1918 | September 11, 1927 | Pitcher | Boston Braves, New York Giants |
| Glenn McQuillen | June 16, 1938 | April 15, 1947 | Outfielder | St. Louis Browns |
| George McQuinn | April 14, 1936 | October 2, 1948 | First baseman | Cincinnati Reds, St. Louis Browns, Philadelphia Athletics, New York Yankees |
| Brian McRae | August 7, 1990 | October 3, 1999 | Outfielder | Kansas City Royals, Chicago Cubs, New York Mets, Colorado Rockies, Toronto Blue Jays |
| Hal McRae | July 11, 1968 | July 17, 1987 | Outfielder | Cincinnati Reds, Kansas City Royals |
| Norm McRae | September 13, 1969 | September 24, 1970 | Pitcher | Detroit Tigers |
| McRemer, first name unknown | June 20, 1884 | June 20, 1884 | Outfielder | Washington Nationals (UA) |
| Kevin McReynolds | June 2, 1983 | August 11, 1994 | Outfielder | San Diego Padres, New York Mets, Kansas City Royals |
| Pete McShannic | September 15, 1888 | October 13, 1888 | Third baseman | Pittsburgh Alleghenys |
| Trick McSorley | May 6, 1875 | May 6, 1886 | Utility player | St. Louis Red Stockings, Toledo Blue Stockings, St. Louis Maroons, St. Louis Browns (AA) |
| Paul McSweeney | September 20, 1891 | September 22, 1891 | Second baseman | St. Louis Browns (AA) |
| Jim McTamany | August 15, 1885 | October 5, 1891 | Outfielder | Brooklyn Grays, Kansas City Cowboys (AA), Columbus Solons, Philadelphia Athletics (1890–91) |
| Bill McTigue | May 2, 1911 | May 5, 1916 | Pitcher | Boston Rustlers/Braves, Detroit Tigers |
| Cal McVey | May 5, 1871 | September 30, 1879 | Utility player | Boston Red Stockings, Baltimore Canaries, Chicago White Stockings, Cincinnati Reds (1876–1880) |
| George McVey | September 19, 1885 | September 29, 1885 | Utility player | Brooklyn Grays |
| Doug McWeeny | April 24, 1921 | June 17, 1930 | Pitcher | Chicago White Sox, Brooklyn Robins, Cincinnati Reds |
| Bill McWilliams | July 8, 1931 | July 11, 1931 | Pinch hitter | Boston Red Sox |
| Larry McWilliams | July 17, 1978 | May 12, 1990 | Pitcher | Atlanta Braves, Pittsburgh Pirates, St. Louis Cardinals, Philadelphia Phillies, Kansas City Royals |
| Bobby Meacham | June 30, 1983 | July 10, 1988 | Shortstop | New York Yankees |
| Rusty Meacham | June 29, 1991 | June 20, 2001 | Pitcher | Detroit Tigers, Kansas City Royals, Seattle Mariners, Houston Astros, Tampa Bay Devil Rays |
| Charlie Mead | August 28, 1943 | September 30, 1945 | Outfielder | New York Giants |
| Johnny Meador | April 14, 1920 | July 15, 1920 | Pitcher | Pittsburgh Pirates |
| Brian Meadows | April 4, 1998 | September 30, 2006 | Pitcher | Florida Marlins, San Diego Padres, Kansas City Royals, Pittsburgh Pirates, Tampa Bay Devil Rays |
| Lee Meadows | April 19, 1915 | April 29, 1929 | Pitcher | St. Louis Cardinals, Philadelphia Phillies, Pittsburgh Pirates |
| Louie Meadows | July 3, 1986 | October 3, 1990 | Outfielder | Houston Astros, Philadelphia Phillies |
| Rufus Meadows | April 23, 1926 | April 23, 1926 | Pitcher | Cincinnati Reds |
| Dave Meads | April 13, 1987 | September 30, 1988 | Pitcher | Houston Astros |
| George Meakim | May 2, 1890 | September 3, 1895 | Pitcher | Louisville Colonels, Philadelphia Athletics (1890–91), Chicago Colts, Cincinnati Reds |
| Charlie Meara | June 1, 1914 | June 7, 1914 | Outfielder | New York Yankees |
| Pat Meares | May 5, 1993 | October 7, 2001 | Shortstop | Minnesota Twins, Pittsburgh Pirates |
| Chris Mears | June 29, 2003 | September 28, 2003 | Pitcher | Detroit Tigers |
| Gil Meche | July 6, 1999 | | Pitcher | Seattle Mariners, Kansas City Royals |
| Jim Mecir | September 4, 1995 | September 28, 2005 | Pitcher | Seattle Mariners, New York Yankees, Tampa Bay Devil Rays, Oakland Athletics, Florida Marlins |
| Brandon Medders | June 20, 2005 | | Pitcher | Arizona Diamondbacks, San Francisco Giants |
| Ray Medeiros | April 25, 1945 | April 25, 1945 | Pinch runner | Cincinnati Reds |
| Doc Medich | September 5, 1972 | October 2, 1982 | Pitcher | New York Yankees, Pittsburgh Pirates, Oakland Athletics, Seattle Mariners, New York Mets, Texas Rangers, Milwaukee Brewers |
| Luis Medina | September 2, 1988 | June 13, 1991 | First baseman | Cleveland Indians |
| Rafael Medina | April 2, 1998 | September 26, 1999 | Pitcher | Florida Marlins |
| Kris Medlen | May 21, 2009 | | Pitcher | Atlanta Braves |
| Irv Medlinger | April 20, 1949 | September 28, 1951 | Pitcher | St. Louis Browns |
| Scott Medvin | May 9, 1988 | September 22, 1990 | Pitcher | Pittsburgh Pirates, Seattle Mariners |
| Joe Medwick β | September 2, 1932 | July 25, 1948 | Outfielder | St. Louis Cardinals, Brooklyn Dodgers, New York Giants, Boston Braves |
| Tommy Mee | June 14, 1910 | July 21, 1910 | Shortstop | St. Louis Browns |
| Pete Meegan | August 12, 1884 | October 1, 1885 | Pitcher | Richmond Virginians, Pittsburgh Alleghenys |
| Bill Meehan | September 17, 1915 | September 17, 1915 | Pitcher | Philadelphia Athletics |
| Dad Meek | May 10, 1889 | April 24, 1890 | Catcher | St. Louis Browns (AA) |
| Evan Meek | April 2, 2008 | | Pitcher | Pittsburgh Pirates |
| Roy Meeker | September 22, 1923 | September 25, 1926 | Pitcher | Philadelphia Athletics, Cincinnati Reds |
| Jouett Meekin | June 13, 1891 | July 8, 1900 | Pitcher | Louisville Colonels, Washington Senators (NL), New York Giants, Boston Beaneaters, Pittsburgh Pirates |
| Sammy Meeks | April 29, 1948 | September 20, 1951 | Shortstop | Washington Senators, Cincinnati Reds |
| Phil Meeler | May 10, 1972 | June 19, 1972 | Pitcher | Detroit Tigers |
| Russ Meers | September 28, 1941 | September 26, 1947 | Pitcher | Chicago Cubs |
| Dave Meier | April 3, 1984 | September 29, 1988 | Outfielder | Minnesota Twins, Texas Rangers, Chicago Cubs |
| Dutch Meier | May 12, 1906 | October 7, 1906 | Outfielder | Pittsburgh Pirates |
| Heinie Meine | August 16, 1922 | September 18, 1934 | Pitcher | St. Louis Browns, Pittsburgh Pirates |
| Walt Meinert | September 6, 1913 | September 12, 1913 | Outfielder | St. Louis Browns |
| Bob Meinke | August 22, 1910 | September 3, 1910 | Shortstop | Cincinnati Reds |
| Frank Meinke | May 1, 1884 | May 22, 1885 | Shortstop | Detroit Wolverines |
| George Meister | August 15, 1884 | October 15, 1884 | Third baseman | Toledo Blue Stockings |
| John Meister | August 24, 1886 | June 29, 1887 | Second baseman | New York Metropolitans |
| Karl Meister | August 10, 1913 | September 8, 1913 | Outfielder | Cincinnati Reds |
| Moxie Meixell | July 7, 1912 | July 23, 1912 | Outfielder | Cleveland Naps |
| Jenrry Mejía | April 7, 2010 | | Pitcher | New York Mets |
| Miguel Mejía | April 4, 1996 | September 29, 1996 | Outfielder | St. Louis Cardinals |
| Roberto Mejía | July 15, 1993 | April 11, 1997 | Second baseman | Colorado Rockies, St. Louis Cardinals |
| Román Mejías | April 13, 1955 | October 4, 1964 | Outfielder | Pittsburgh Pirates, Houston Colt .45s, Boston Red Sox |
| Sam Mejías | September 6, 1976 | October 3, 1981 | Outfielder | St. Louis Cardinals, Montreal Expos, Chicago Cubs, Cincinnati Reds |
| Mark Melancon | April 26, 2009 | | Pitcher | New York Yankees, Houston Astros |
| Dutch Mele | September 14, 1937 | October 3, 1937 | Outfielder | Cincinnati Reds |
| Sam Mele | April 15, 1947 | September 16, 1956 | Outfielder | Boston Red Sox, Washington Senators, Chicago White Sox, Baltimore Orioles, Cincinnati Reds, Cleveland Indians |
| Francisco Meléndez | August 26, 1984 | October 1, 1989 | First baseman | Philadelphia Phillies, San Francisco Giants, Baltimore Orioles |
| José Meléndez | September 11, 1990 | August 9, 1994 | Pitcher | Seattle Mariners, San Diego Padres, Boston Red Sox |
| Luis Meléndez | September 7, 1970 | June 1, 1977 | Outfielder | St. Louis Cardinals, San Diego Padres |
| Adam Melhuse | June 16, 2000 | September 28, 2008 | Catcher | Los Angeles Dodgers, Colorado Rockies, Oakland Athletics, Texas Rangers |
| Kevin Melillo | June 24, 2007 | June 24, 2007 | Pinch hitter | Oakland Athletics |
| Ski Melillo | April 18, 1926 | September 18, 1937 | Second baseman | St. Louis Browns, Boston Red Sox |
| Joe Mellana | September 21, 1927 | October 1, 1927 | Third baseman | Philadelphia Athletics |
| Bill Mellor | July 28, 1902 | August 8, 1902 | First baseman | Baltimore Orioles (1901–02) |
| Juan Melo | September 2, 2000 | October 1, 2000 | Second baseman | San Francisco Giants |
| Jon Meloan | September 1, 2007 | | Pitcher | Los Angeles Dodgers, Cleveland Indians, Oakland Athletics |
| Paul Meloan | August 2, 1910 | September 12, 1911 | Outfielder | Chicago White Sox, St. Louis Browns |
| Steve Melter | June 27, 1909 | October 6, 1909 | Pitcher | St. Louis Cardinals |
| Bill Melton | May 4, 1968 | August 30, 1977 | Third baseman | Chicago White Sox, California Angels, Cleveland Indians |
| Cliff Melton | April 25, 1937 | September 29, 1944 | Pitcher | New York Giants |
| Dave Melton | April 17, 1956 | June 11, 1958 | Outfielder | Kansas City Athletics, California Angels |
| Rube Melton | April 17, 1941 | June 3, 1947 | Pitcher | Philadelphia Phillies, Brooklyn Dodgers |
| Mitch Meluskey | August 30, 1998 | September 26, 2003 | Catcher | Houston Astros, Detroit Tigers |
| Bob Melvin | May 25, 1985 | August 6, 1994 | Catcher | Detroit Tigers, San Francisco Giants, Baltimore Orioles, Kansas City Royals, Boston Red Sox, New York Yankees, Chicago White Sox |
| Kevin Mench | April 9, 2002 | | Outfielder | Texas Rangers, Milwaukee Brewers, Toronto Blue Jays, Washington Nationals |
| Adalberto Méndez | September 6, 2010 | | Pitcher | Florida Marlins |
| Carlos Méndez | May 22, 2003 | September 28, 2003 | First baseman | Baltimore Orioles |
| Donaldo Méndez | April 5, 2001 | July 6, 2003 | Shortstop | San Diego Padres |
| Carlos Mendoza | September 3, 1997 | September 30, 2000 | Outfielder | New York Mets, Colorado Rockies |
| Luis Mendoza | September 8, 2007 | | Pitcher | Texas Rangers, Kansas City Royals |
| Mario Mendoza | April 26, 1974 | May 22, 1982 | Shortstop | Pittsburgh Pirates, Seattle Mariners, Texas Rangers |
| Mike Mendoza | September 7, 1979 | September 26, 1979 | Pitcher | Houston Astros |
| Minnie Mendoza | April 9, 1970 | June 7, 1970 | Utility infielder | Minnesota Twins |
| Ramiro Mendoza | May 25, 1996 | September 1, 2005 | Pitcher | New York Yankees, Boston Red Sox |
| Frank Menechino | September 6, 1999 | October 2, 2005 | Second baseman | Oakland Athletics, Toronto Blue Jays |
| Jock Menefee | August 17, 1892 | September 7, 1903 | Pitcher | Pittsburgh Pirates, Louisville Colonels, New York Giants, Chicago Orphans/Cubs |
| Tony Menéndez | June 22, 1992 | May 31, 1994 | Pitcher | Cincinnati Reds, Pittsburgh Pirates, San Francisco Giants |
| Paul Menhart | April 27, 1995 | September 27, 1997 | Pitcher | Toronto Blue Jays, Seattle Mariners, San Diego Padres |
| Denis Menke | April 14, 1962 | July 10, 1974 | Shortstop | Milwaukee/Atlanta Braves, Houston Astros, Cincinnati Reds |
| Mike Menosky | April 18, 1914 | October 7, 1923 | Outfielder | Pittsburgh Burghers, Washington Senators, Boston Red Sox |
| Ed Mensor | July 15, 1912 | September 7, 1914 | Outfielder | Pittsburgh Pirates |
| Ted Menze | April 23, 1918 | April 23, 1918 | Outfielder | St. Louis Cardinals |
| Mike Meola | April 24, 1933 | September 16, 1936 | Pitcher | Boston Red Sox, St. Louis Browns |
| Rudy Meoli | September 9, 1971 | June 8, 1979 | Shortstop | California Angels, Chicago Cubs, Philadelphia Phillies |
| Héctor Mercado | April 4, 2000 | July 11, 2003 | Pitcher | Cincinnati Reds, Philadelphia Phillies |
| Orlando Mercado | September 13, 1982 | September 30, 1990 | Catcher | Seattle Mariners, Texas Rangers, Detroit Tigers, Los Angeles Dodgers, Oakland Athletics, Minnesota Twins, New York Mets, Montreal Expos |
| Orlando Merced | June 27, 1990 | September 28, 2003 | Outfielder | Pittsburgh Pirates, Toronto Blue Jays, Minnesota Twins, Boston Red Sox, Chicago Cubs, Montreal Expos, Houston Astros |
| Henry Mercedes | April 22, 1992 | September 21, 1997 | Catcher | Oakland Athletics, Kansas City Royals, Texas Rangers |
| José Mercedes | May 31, 1994 | September 24, 2003 | Pitcher | Milwaukee Brewers, Baltimore Orioles, Montreal Expos |
| Luis Mercedes | September 8, 1991 | September 23, 1993 | Outfielder | Baltimore Orioles, San Francisco Giants |
| Jack Mercer | August 2, 1910 | August 2, 1910 | Pitcher | Pittsburgh Pirates |
| John Mercer | June 25, 1912 | June 25, 1912 | First baseman | St. Louis Cardinals |
| Mark Mercer | September 1, 1981 | September 28, 1981 | Pitcher | Texas Rangers |
| Win Mercer | April 21, 1894 | September 27, 1902 | Pitcher | Washington Senators (NL), New York Giants, Washington Senators, Detroit Tigers |
| Andy Merchant | September 28, 1975 | June 10, 1976 | Catcher | Boston Red Sox |
| Kent Mercker | September 22, 1989 | May 30, 2008 | Pitcher | Atlanta Braves, Baltimore Orioles, Cleveland Indians, Cincinnati Reds, St. Louis Cardinals, Boston Red Sox, Anaheim Angels, Colorado Rockies, Chicago Cubs |
| Cla Meredith | May 8, 2005 | | Pitcher | Boston Red Sox, San Diego Padres, Baltimore Orioles |
| Spike Merena | September 16, 1934 | September 30, 1934 | Pitcher | Boston Red Sox |
| Art Merewether | July 10, 1922 | July 10, 1922 | Pitcher | Pittsburgh Pirates |
| Ron Meridith | September 16, 1984 | June 5, 1987 | Pitcher | Chicago Cubs, Texas Rangers |
| Fred Merkle | September 21, 1907 | September 26, 1926 | First baseman | New York Giants, Brooklyn Robins, Chicago Cubs, New York Yankees |
| Lou Merloni | June 5, 1993 | June 4, 2006 | Utility infielder | Boston Red Sox, San Diego Padres, Cleveland Indians, Los Angeles Angels of Anaheim |
| Ed Merrill | May 5, 1882 | July 31, 1884 | Second baseman | Louisville Eclipse, Worcester Ruby Legs, Indianapolis Hoosiers (AA) |
| Brett Merriman | April 8, 1993 | June 22, 1994 | Pitcher | Minnesota Twins |
| Lloyd Merriman | April 24, 1949 | September 17, 1955 | Outfielder | Cincinnati Reds/Redlegs, Chicago White Sox, Chicago Cubs |
| Bill Merritt | August 8, 1891 | October 15, 1899 | Catcher | Chicago Colts, Louisville Colonels, Boston Beaneaters, Pittsburgh Pirates, Cincinnati Reds |
| George Merritt | September 6, 1901 | May 26, 1903 | Outfielder | Pittsburgh Pirates |
| Herm Merritt | August 24, 1921 | October 2, 1921 | Shortstop | Detroit Tigers |
| Jim Merritt | August 2, 1965 | May 23, 1975 | Pitcher | Minnesota Twins, Cincinnati Reds, Texas Rangers |
| John Merritt | September 27, 1913 | September 27, 1913 | Outfielder | New York Giants |
| Lloyd Merritt | April 22, 1957 | September 28, 1957 | Pitcher | St. Louis Cardinals |
| Jack Merson | September 14, 1951 | April 24, 1953 | Second baseman | Pittsburgh Pirates, Boston Red Sox |
| Sam Mertes | June 30, 1896 | September 15, 1906 | Outfielder | Philadelphia Phillies, Chicago Orphans, Chicago White Sox, New York Giants, St. Louis Cardinals |
| Jim Mertz | May 1, 1943 | October 2, 1943 | Pitcher | Washington Senators |
| Lennie Merullo | September 12, 1941 | August 22, 1947 | Shortstop | Chicago Cubs |
| Matt Merullo | April 12, 1989 | September 29, 1995 | Catcher | Chicago White Sox, Cleveland Indians, Minnesota Twins |
| José Mesa | September 10, 1987 | September 29, 2007 | Pitcher | Baltimore Orioles, Cleveland Indians, San Francisco Giants, Seattle Mariners, Philadelphia Phillies, Pittsburgh Pirates, Colorado Rockies, Detroit Tigers |
| Steve Mesner | September 23, 1938 | September 30, 1945 | Third baseman | Chicago Cubs, St. Louis Cardinals, Cincinnati Reds |
| Devin Mesoraco | September 3, 2011 | | Catcher | Cincinnati Reds |
| Bobby Messenger | August 30, 1909 | May 5, 1914 | Outfielder | Chicago White Sox, St. Louis Browns |
| Bud Messenger | July 31, 1924 | August 28, 1924 | Pitcher | Cleveland Indians |
| Randy Messenger | June 22, 2005 | | Pitcher | Florida Marlins, San Francisco Giants, Seattle Mariners |
| Andy Messersmith | July 4, 1968 | June 1, 1979 | Pitcher | California Angels, Los Angeles Dodgers, Atlanta Braves, New York Yankees |
| Tom Messitt | September 14, 1899 | September 20, 1899 | Catcher | Louisville Colonels |
| Tom Metcalf | August 4, 1963 | September 20, 1963 | Pitcher | New York Yankees |
| Travis Metcalf | May 19, 2007 | | Third baseman | Texas Rangers |
| Alfred Metcalfe | May 27, 1875 | June 17, 1875 | Third baseman | New York Mutuals |
| Mike Metcalfe | September 18, 1998 | July 9, 2000 | Outfielder | Los Angeles Dodgers |
| Scat Metha | April 22, 1940 | August 10, 1940 | Second baseman | Detroit Tigers |
| Bud Metheny | April 27, 1943 | May 9, 1946 | Outfielder | New York Yankees |
| Dewey Metivier | September 15, 1922 | September 11, 1924 | Pitcher | Cleveland Indians |
| Catfish Metkovich | July 16, 1943 | September 26, 1954 | Outfielder | Boston Red Sox, Cleveland Indians, Chicago White Sox, Pittsburgh Pirates, Chicago Cubs, Milwaukee Braves |
| Charlie Metro | May 4, 1943 | August 5, 1945 | Outfielder | Detroit Tigers, Philadelphia Athletics |
| Lenny Metz | September 11, 1923 | September 27, 1925 | Shortstop | Philadelphia Phillies |
| Butch Metzger | September 8, 1974 | June 28, 1978 | Pitcher | San Diego Padres, St. Louis Cardinals, New York Mets |
| Roger Metzger | June 16, 1970 | August 10, 1980 | Shortstop | Chicago Cubs, Houston Astros, San Francisco Giants |
| William Metzig | September 19, 1944 | October 1, 1944 | Second baseman | Chicago White Sox |
| Alex Metzler | September 16, 1925 | September 28, 1930 | Outfielder | Chicago Cubs, Philadelphia Athletics, Chicago White Sox, St. Louis Browns |
| Hensley Meulens | August 23, 1989 | May 14, 1998 | Outfielder | New York Yankees, Montreal Expos, Arizona Diamondbacks |
| Bob Meusel | April 14, 1920 | September 26, 1930 | Outfielder | New York Yankees, Cincinnati Reds |
| Irish Meusel | October 1, 1914 | July 22, 1927 | Outfielder | Washington Senators, Philadelphia Phillies, New York Giants, Brooklyn Robins |
| Benny Meyer | April 9, 1913 | September 22, 1925 | Outfielder | Brooklyn Superbas, Baltimore Terrapins, Buffalo Blues, Philadelphia Phillies |
| Billy Meyer | September 6, 1913 | September 18, 1917 | Catcher | Chicago White Sox, Philadelphia Athletics |
| Bob Meyer | April 20, 1964 | May 20, 1970 | Pitcher | New York Yankees, Los Angeles Angels, Kansas City Athletics, Seattle Pilots, Milwaukee Brewers |
| Brian Meyer | September 3, 1988 | October 2, 1990 | Pitcher | Houston Astros |
| Dan Meyer (1B) | September 14, 1974 | May 24, 1985 | First baseman | Detroit Tigers, Seattle Mariners, Oakland Athletics |
| Dan Meyer (P) | September 14, 2004 | | Pitcher | Atlanta Braves, Oakland Athletics, Florida Marlins |
| Drew Meyer | April 21, 2006 | May 9, 2006 | Second baseman | Texas Rangers |
| Dutch Meyer | June 23, 1937 | September 22, 1946 | Second baseman | Chicago Cubs, Detroit Tigers, Cleveland Indians |
| George Meyer | September 3, 1938 | October 2, 1938 | Second baseman | Chicago White Sox |
| Jack Meyer | April 16, 1955 | April 30, 1961 | Pitcher | Philadelphia Phillies |
| Joey Meyer | April 4, 1988 | September 30, 1989 | First baseman | Milwaukee Brewers |
| Leo Meyer | September 27, 1909 | October 4, 1909 | Shortstop | Brooklyn Superbas |
| Russ Meyer | September 13, 1946 | June 28, 1959 | Pitcher | Chicago Cubs, Philadelphia Phillies, Brooklyn Dodgers, Cincinnati Reds, Boston Red Sox, Kansas City Athletics |
| Scott Meyer | September 10, 1978 | October 1, 1978 | Catcher | Oakland Athletics |
| Levi Meyerle | May 20, 1871 | April 26, 1884 | Third baseman | Philadelphia Athletics (1860–76), Philadelphia White Stockings, Chicago White Stockings, Cincinnati Reds (1876–1880), Philadelphia Keystones |
| Chad Meyers | August 6, 1999 | September 28, 2003 | Second baseman | Chicago Cubs, Seattle Mariners |
| Chief Meyers | April 16, 1909 | October 4, 1917 | Catcher | New York Giants, Brooklyn Robins, Boston Braves |
| George Meyers | August 30, 1890 | October 4, 1890 | Third baseman | Philadelphia Athletics (1890–91) |
| Lou Meyers | April 17, 1884 | May 10, 1884 | Catcher | Cincinnati Outlaw Reds |
