List of Major League Baseball players (Pa–Pg)
# List of Major League Baseball players (Pa–Pg)

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

## Pa through Pf

| Name | Debut | Final game | Position | Teams |
| - | - | - | - | - |
| Charlie Pabor | May 4, 1871 | October 28, 1875 | Outfielder | Cleveland Forest Citys, Brooklyn Atlantics, Philadelphia White Stockings, New Haven Elm Citys |
| Ed Pabst | September 26, 1890 | October 14, 1890 | Outfielder | Philadelphia Athletics (AA), St. Louis Browns |
| John Pacella | September 15, 1977 | July 12, 1986 | Pitcher | New York Mets, Minnesota Twins, Baltimore Orioles, Detroit Tigers |
| Alex Pacheco | April 17, 1996 | May 15, 1996 | Pitcher | Montreal Expos |
| Jordan Pacheco | September 6, 2011 | | Utility player | Colorado Rockies |
| Pat Pacillo | May 23, 1987 | June 1, 1988 | Pitcher | Cincinnati Reds |
| Jim Paciorek | April 9, 1987 | September 23, 1987 | Utility player | Milwaukee Brewers |
| John Paciorek | September 29, 1963 | September 29, 1963 | Outfielder | Houston Colt .45s |
| Tom Paciorek | September 12, 1970 | October 4, 1987 | Outfielder | Los Angeles Dodgers, Atlanta Braves, Seattle Mariners, Chicago White Sox, New York Mets, Texas Rangers |
| Frankie Pack | June 5, 1949 | June 5, 1949 | Pinch hitter | St. Louis Browns |
| Gene Packard | September 27, 1912 | August 14, 1919 | Pitcher | Cincinnati Reds, Kansas City Royals, Chicago Cubs, St. Louis Cardinals, Philadelphia Phillies |
| Joe Pactwa | September 15, 1975 | September 28, 1975 | Pitcher | California Angels |
| Dick Padden | July 15, 1896 | May 2, 1905 | Second baseman | Pittsburgh Pirates, Washington Senators (1891–99), St. Louis Cardinals, St. Louis Browns |
| Tom Padden | May 29, 1932 | July 22, 1943 | Catcher | Pittsburgh Pirates, Philadelphia Phillies, Washington Senators |
| Del Paddock | April 14, 1912 | October 1, 1912 | Third baseman | Chicago White Sox, New York Highlanders |
| Don Padgett | April 23, 1937 | September 12, 1948 | Utility player | St. Louis Cardinals, Brooklyn Dodgers, Boston Braves, Philadelphia Phillies |
| Ernie Padgett | October 3, 1923 | July 30, 1927 | Third baseman | Boston Braves, Cleveland Indians |
| Jorge Padilla | August 5, 2009 | | Outfielder | Washington Nationals |
| Juan Padilla | July 16, 2004 | October 1, 2005 | Pitcher | New York Yankees, Cincinnati Reds, New York Mets |
| Vicente Padilla | June 29, 1999 | | Pitcher | Arizona Diamondbacks, Philadelphia Phillies, Texas Rangers, Los Angeles Dodgers |
| Dennis Paepke | June 2, 1969 | October 2, 1974 | Catcher | Kansas City Royals |
| Andy Pafko | September 24, 1943 | September 29, 1959 | Outfielder | Chicago Cubs, Brooklyn Dodgers, Milwaukee Braves |
| Ángel Pagán | April 3, 2006 | | Outfielder | Chicago Cubs, New York Mets |
| Dave Pagan | July 1, 1973 | September 27, 1977 | Pitcher | New York Yankees, Baltimore Orioles, Seattle Mariners, Pittsburgh Pirates |
| José Pagán | August 4, 1959 | August 15, 1973 | Shortstop | San Francisco Giants, Pittsburgh Pirates |
| Joe Page | April 19, 1944 | May 25, 1954 | Pitcher | New York Yankees, Pittsburgh Pirates |
| Mike Page | June 30, 1968 | August 24, 1968 | Outfielder | Atlanta Braves |
| Mitchell Page | April 9, 1977 | September 30, 1984 | Outfielder | Oakland Athletics, Pittsburgh Pirates |
| Phil Page | September 18, 1928 | May 13, 1934 | Pitcher | Detroit Tigers, Brooklyn Dodgers |
| Sam Page | September 11, 1939 | September 28, 1939 | Pitcher | Philadelphia Athletics |
| Vance Page | August 6, 1938 | August 6, 1941 | Pitcher | Chicago Cubs |
| Karl Pagel | September 21, 1978 | September 30, 1983 | First baseman | Chicago Cubs, Cleveland Indians |
| Jim Pagliaroni | August 13, 1955 | September 30, 1969 | Catcher | Boston Red Sox, Pittsburgh Pirates, Oakland Athletics, Seattle Pilots |
| Mike Pagliarulo | July 7, 1984 | October 1, 1995 | Third baseman | New York Yankees, San Diego Padres, Minnesota Twins, Baltimore Orioles, Texas Rangers |
| Matt Pagnozzi | September 29, 2009 | | Catcher | St. Louis Cardinals, Colorado Rockies, Pittsburgh Pirates |
| Tom Pagnozzi | April 12, 1987 | August 15, 1998 | Catcher | St. Louis Cardinals |
| Pat Paige | May 20, 1911 | June 1, 1911 | Pitcher | Cleveland Naps |
| Satchel Paige β | July 9, 1948 | September 25, 1965 | Pitcher | Cleveland Indians, St. Louis Browns, Kansas City Athletics |
| Phil Paine | July 14, 1951 | September 19, 1958 | Pitcher | Boston/Milwaukee Braves, St. Louis Cardinals |
| Lance Painter | May 19, 1993 | September 9, 2003 | Pitcher | Colorado Rockies, St. Louis Cardinals, Toronto Blue Jays, Milwaukee Brewers |
| Rey Palacios | September 8, 1988 | September 14, 1990 | Catcher | Kansas City Royals |
| Vicente Palacios | September 4, 1987 | May 11, 2000 | Pitcher | Pittsburgh Pirates, St. Louis Cardinals, San Diego Padres |
| Mike Palagyi | August 18, 1939 | August 18, 1939 | Pitcher | Washington Senators |
| Erv Palica | April 21, 1945 | September 24, 1956 | Pitcher | Brooklyn Dodgers, Baltimore Orioles |
| Donn Pall | August 1, 1988 | September 27, 1998 | Pitcher | Chicago White Sox, Philadelphia Phillies, New York Yankees, Chicago Cubs, Florida Marlins |
| Mike Palm | July 11, 1948 | July 21, 1948 | Pitcher | Boston Red Sox |
| Orlando Palmeiro | July 1, 1995 | September 30, 2007 | Outfielder | California/Anaheim Angels, St. Louis Cardinals, Houston Astros |
| Rafael Palmeiro | September 8, 1986 | August 30, 2005 | First baseman | Chicago Cubs, Texas Rangers, Baltimore Orioles |
| Billy Palmer | May 28, 1885 | June 3, 1885 | Pitcher | St. Louis Maroons |
| David Palmer | September 9, 1978 | June 30, 1989 | Pitcher | Montreal Expos, Atlanta Braves, Philadelphia Phillies, Detroit Tigers |
| Dean Palmer | September 1, 1989 | May 9, 2003 | Third baseman | Texas Rangers, Kansas City Royals, Detroit Tigers |
| Eddie Palmer | September 6, 1917 | October 3, 1917 | Third baseman | Philadelphia Athletics |
| Jim Palmer β | April 17, 1965 | May 12, 1984 | Pitcher | Baltimore Orioles |
| Lowell Palmer | June 21, 1969 | September 16, 1974 | Pitcher | Philadelphia Phillies, St. Louis Cardinals, Cleveland Indians, San Diego Padres |
| Matt Palmer | August 16, 2008 | | Pitcher | San Francisco Giants, Los Angeles Angels of Anaheim |
| Emilio Palmero | September 21, 1915 | August 24, 1928 | Pitcher | New York Giants, St. Louis Browns, Washington Senators, Boston Braves |
| Joe Palmisano | May 31, 1931 | September 25, 1931 | Catcher | Philadelphia Athletics |
| Ed Palmquist | June 10, 1960 | June 11, 1961 | Pitcher | Los Angeles Dodgers, Minnesota Twins |
| Stan Palys | September 20, 1953 | September 25, 1956 | Outfielder | Philadelphia Phillies, Cincinnati Reds |
| José Paniagua | April 4, 1996 | September 9, 2003 | Pitcher | Montreal Expos, Seattle Mariners, Detroit Tigers, Chicago White Sox |
| Jim Pankovits | May 27, 1984 | September 19, 1990 | Second baseman | Houston Astros, Boston Red Sox |
| Jim Panther | April 5, 1971 | August 2, 1973 | Pitcher | Oakland Athletics, Texas Rangers, Atlanta Braves |
| John Papa | April 11, 1961 | September 16, 1962 | Pitcher | Baltimore Orioles |
| Al Papai | April 24, 1948 | September 16, 1955 | Pitcher | St. Louis Browns, St. Louis Cardinals, Boston Red Sox, Chicago White Sox |
| Ken Pape | May 17, 1976 | October 3, 1976 | Utility infielder | Texas Rangers |
| Larry Pape | July 6, 1909 | September 26, 1912 | Pitcher | Boston Red Sox |
| Jonathan Papelbon | July 31, 2005 | | Pitcher | Boston Red Sox |
| Stan Papi | April 11, 1974 | October 1, 1981 | Utility infielder | St. Louis Cardinals, Montreal Expos, Boston Red Sox, Detroit Tigers |
| Frank Papish | May 8, 1945 | June 27, 1950 | Pitcher | Chicago White Sox, Cleveland Indians, Pittsburgh Pirates |
| John Pappalau | June 9, 1897 | June 22, 1897 | Pitcher | Cleveland Spiders |
| Erik Pappas | April 19, 1991 | April 30, 1994 | Catcher | Chicago Cubs, St. Louis Cardinals |
| Milt Pappas | August 10, 1957 | September 18, 1973 | Pitcher | Baltimore Orioles, Cincinnati Reds, Atlanta Braves, Chicago Cubs |
| Craig Paquette | June 1, 1993 | April 24, 2003 | Third baseman | Oakland Athletics, Kansas City Royals, New York Mets, St. Louis Cardinals, Detroit Tigers |
| Al Pardo | July 3, 1985 | September 9, 1989 | Catcher | Baltimore Orioles, Philadelphia Phillies |
| Jimmy Paredes | August 1, 2011 | | Third baseman | Houston Astros |
| Johnny Paredes | April 29, 1988 | October 6, 1991 | Second baseman | Montreal Expos, Detroit Tigers |
| Freddy Parent | July 14, 1899 | April 30, 1911 | Shortstop | St. Louis Perfectos, Boston Americans, Chicago White Sox |
| Mark Parent | September 20, 1986 | September 1, 1998 | Catcher | San Diego Padres, Texas Rangers, Baltimore Orioles, Chicago Cubs, Pittsburgh Pirates, Detroit Tigers, Philadelphia Phillies |
| Kelly Paris | September 1, 1982 | August 18, 1988 | Third baseman | St. Louis Cardinals, Cincinnati Reds, Baltimore Orioles, Chicago White Sox |
| Mike Parisi | May 5, 2008 | | Pitcher | St. Louis Cardinals |
| Tony Parisse | September 22, 1943 | July 1, 1944 | Catcher | Philadelphia Athletics |
| Chan Ho Park | April 8, 1994 | | Pitcher | Los Angeles Dodgers, Texas Rangers, San Diego Padres, New York Mets, Philadelphia Phillies, New York Yankees, Pittsburgh Pirates |
| Jim Park | September 7, 1915 | July 11, 1917 | Pitcher | St. Louis Browns |
| Ace Parker | April 24, 1937 | September 4, 1938 | Shortstop | Philadelphia Athletics |
| Billy Parker | September 9, 1971 | September 29, 1973 | Second baseman | California Angels |
| Christian Parker | April 6, 2001 | April 6, 2001 | Pitcher | New York Yankees |
| Clay Parker | September 14, 1987 | June 8, 1992 | Pitcher | Seattle Mariners, New York Yankees, Detroit Tigers |
| Dave Parker | July 12, 1973 | October 2, 1991 | Outfielder | Pittsburgh Pirates, Cincinnati Reds, Oakland Athletics, Milwaukee Brewers, California Angels, Toronto Blue Jays |
| Dixie Parker | July 28, 1923 | October 6, 1923 | Catcher | Philadelphia Phillies |
| Doc Parker | July 11, 1893 | June 21, 1901 | Pitcher | Chicago Colts, Cincinnati Reds |
| Harry Parker | August 8, 1970 | September 14, 1976 | Pitcher | St. Louis Cardinals, New York Mets, Cleveland Indians |
| Jarrod Parker | September 27, 2011 | | Pitcher | Arizona Diamondbacks |
| Jay Parker | September 27, 1899 | September 27, 1899 | Pitcher | Pittsburgh Pirates |
| Pat Parker | August 10, 1915 | August 11, 1915 | Outfielder | St. Louis Browns |
| Rick Parker | May 4, 1990 | August 30, 1996 | Outfielder | San Francisco Giants, Houston Astros, New York Mets, Los Angeles Dodgers |
| Roy Parker | September 10, 1919 | September 16, 1919 | Pitcher | St. Louis Cardinals |
| Salty Parker | August 13, 1936 | September 16, 1936 | Shortstop | Detroit Tigers |
| Wes Parker | April 19, 1964 | October 1, 1972 | First baseman | Los Angeles Dodgers |
| Frank Parkinson | April 13, 1921 | September 27, 1924 | Second baseman | Philadelphia Phillies |
| Art Parks | September 25, 1937 | September 29, 1939 | Outfielder | Brooklyn Dodgers |
| Bill Parks | April 26, 1875 | April 22, 1876 | Utility player | Washington Nationals (NA), Philadelphia Athletics (1860–76), Boston Red Caps |
| Derek Parks | September 11, 1992 | August 5, 1994 | Catcher | Minnesota Twins |
| Slicker Parks | July 11, 1921 | September 4, 1921 | Pitcher | Detroit Tigers |
| Chris Parmelee | September 6, 2011 | | First baseman | Minnesota Twins |
| Roy Parmelee | September 28, 1929 | June 10, 1939 | Pitcher | New York Giants, St. Louis Cardinals, Chicago Cubs, Philadelphia Athletics |
| Bobby Parnell | September 15, 2008 | | Pitcher | New York Mets |
| Mel Parnell | April 20, 1947 | September 29, 1956 | Pitcher | Boston Red Sox |
| Rube Parnham | September 20, 1916 | September 24, 1917 | Pitcher | Philadelphia Athletics |
| Chad Paronto | April 18, 2001 | | Pitcher | Baltimore Orioles, Cleveland Indians, Atlanta Braves, Houston Astros |
| Jim Parque | May 26, 1998 | May 21, 2003 | Pitcher | Chicago White Sox, Tampa Bay Devil Rays |
| James Parr | September 4, 2008 | | Pitcher | Atlanta Braves |
| Gerardo Parra | May 13, 2009 | | Outfielder | Arizona Diamondbacks |
| José Parra | May 7, 1995 | July 17, 2004 | Pitcher | Los Angeles Dodgers, Minnesota Twins, Pittsburgh Pirates, Arizona Diamondbacks, New York Mets |
| Manny Parra | July 20, 2007 | | Pitcher | Milwaukee Brewers |
| Jeff Parrett | April 11, 1986 | September 28, 1996 | Pitcher | Montreal Expos, Philadelphia Phillies, Atlanta Braves, Oakland Athletics, Colorado Rockies, St. Louis Cardinals |
| Sam Parrilla | April 11, 1970 | May 11, 1970 | Outfielder | Philadelphia Phillies |
| Andy Parrino | August 26, 2011 | | Utility player | San Diego Padres |
| Steve Parris | June 21, 1995 | June 17, 2003 | Pitcher | Pittsburgh Pirates, Cincinnati Reds, Toronto Blue Jays, Tampa Bay Devil Rays |
| John Parrish | July 24, 2000 | | Pitcher | Baltimore Orioles, Seattle Mariners, Toronto Blue Jays, Kansas City Royals |
| Lance Parrish | September 5, 1977 | September 23, 1995 | Catcher | Detroit Tigers, Philadelphia Phillies, California Angels, Seattle Mariners, Cleveland Indians, Pittsburgh Pirates, Toronto Blue Jays |
| Larry Parrish | September 6, 1974 | October 2, 1988 | Third baseman | Montreal Expos, Texas Rangers, Boston Red Sox |
| Jiggs Parrott | July 11, 1892 | June 6, 1895 | Utility infielder | Chicago Colts |
| Mike Parrott | September 5, 1977 | September 29, 1981 | Pitcher | Seattle Mariners |
| Tom Parrott | June 18, 1893 | September 26, 1896 | Pitcher | Chicago Colts, Cincinnati Reds, St. Louis Browns (NL) |
| Jiggs Parson | May 16, 1910 | June 4, 1911 | Pitcher | Boston Doves/Rustlers |
| Bill Parsons | April 13, 1971 | September 28, 1974 | Pitcher | Milwaukee Brewers, Oakland |
| Casey Parsons | May 31, 1981 | August 9, 1987 | Outfielder | Seattle Mariners, Chicago White Sox, Cleveland Indians |
| Charlie Parsons | May 29, 1886 | April 23, 1890 | Pitcher | Boston Beaneaters, New York Metropolitans, Cleveland Spiders |
| Dixie Parsons | August 16, 1939 | October 3, 1943 | Catcher | Detroit Tigers |
| Tom Parsons | September 5, 1963 | September 9, 1965 | Pitcher | Pittsburgh Pirates, New York Mets |
| Roy Partee | April 23, 1943 | October 3, 1948 | Catcher | Boston Red Sox, St. Louis Browns |
| Stan Partenheimer | May 27, 1944 | September 11, 1945 | Pitcher | Boston Red Sox |
| Steve Partenheimer | June 28, 1913 | June 28, 1913 | Third baseman | Detroit Tigers |
| Jay Partridge | April 12, 1927 | July 21, 1928 | Second baseman | Brooklyn Robins |
| Ben Paschal | August 16, 1915 | October 6, 1929 | Outfielder | Cleveland Indians, Boston Red Sox, New York Yankees |
| Bill Paschall | September 20, 1978 | September 25, 1981 | Pitcher | Kansas City Royals |
| Camilo Pascual | April 15, 1954 | May 5, 1971 | Pitcher | Washington Senators, Minnesota Twins, Washington Senators (1961–1971), Cincinnati Reds, Los Angeles Dodgers, Cleveland Indians |
| Carlos Pascual | September 24, 1950 | September 28, 1950 | Pitcher | Washington Senators |
| Valentino Pascucci | April 26, 2004 | | Outfielder | Montreal Expos, New York Mets |
| Johnny Pasek | July 28, 1933 | May 8, 1934 | Catcher | Detroit Tigers, Chicago White Sox |
| Larry Pashnick | April 10, 1982 | June 19, 1984 | Pitcher | Detroit Tigers, Minnesota Twins |
| Dode Paskert | September 21, 1907 | May 27, 1921 | Outfielder | Cincinnati Reds, Philadelphia Phillies, Chicago Cubs |
| Kevin Pasley | October 2, 1974 | October 1, 1978 | Catcher | Los Angeles Dodgers, Seattle Mariners |
| Dan Pasqua | May 30, 1985 | May 1, 1994 | Outfielder | New York Yankees, Chicago White Sox |
| Mike Pasquella | July 9, 1919 | July 31, 1919 | First baseman | Philadelphia Phillies, St. Louis Cardinals |
| Claude Passeau | September 29, 1935 | September 17, 1947 | Pitcher | Pittsburgh Pirates, Philadelphia Phillies, Chicago Cubs |
| Frank Pastore | April 4, 1979 | September 5, 1986 | Pitcher | Cincinnati Reds, Minnesota Twins |
| Jim Pastorius | April 15, 1906 | August 23, 1909 | Pitcher | Brooklyn Superbas |
| Cliff Pastornicky | June 14, 1983 | June 27, 1983 | Third baseman | Kansas City Royals |
| Bob Pate | June 2, 1980 | June 10, 1981 | Outfielder | Montreal Expos |
| Joe Pate | April 15, 1926 | July 19, 1927 | Pitcher | Philadelphia Athletics |
| Freddie Patek | June 3, 1968 | October 3, 1981 | Shortstop | Pittsburgh Pirates, Kansas City Royals, California Angels |
| Joe Paterson | April 2, 2011 | | Pitcher | Arizona Diamondbacks |
| Bob Patrick | September 20, 1941 | April 26, 1942 | Outfielder | Detroit Tigers |
| Bronswell Patrick | May 18, 1998 | October 3, 1999 | Pitcher | Milwaukee Brewers, San Francisco Giants |
| Harry Pattee | April 14, 1908 | September 29, 1908 | Second baseman | Brooklyn Superbas |
| Casey Patten | May 4, 1901 | June 18, 1908 | Pitcher | Washington Senators, Boston Red Sox |
| Bob Patterson | September 2, 1985 | July 11, 1998 | Pitcher | San Diego Padres, Pittsburgh Pirates, Texas Rangers, California Angels, Chicago Cubs |
| Clare Patterson | September 5, 1909 | October 5, 1909 | Outfielder | Cincinnati Reds |
| Corey Patterson | September 18, 2000 | | Outfielder | Chicago Cubs, Baltimore Orioles, Cincinnati Reds, Washington Nationals, Milwaukee Brewers, Toronto Blue Jays, St. Louis Cardinals |
| Danny Patterson | July 26, 1996 | August 1, 2004 | Pitcher | Texas Rangers, Detroit Tigers |
| Daryl Patterson | April 10, 1968 | September 14, 1974 | Pitcher | Detroit Tigers, Oakland Athletics, St. Louis Cardinals, Pittsburgh Pirates |
| Dave Patterson | June 9, 1979 | September 27, 1979 | Pitcher | Los Angeles Dodgers |
| Eric Patterson | August 6, 2007 | | Utility player | Chicago Cubs, Oakland Athletics, Boston Red Sox, San Diego Padres |
| George Patterson | April 24, 1884 | April 24, 1884 | Outfielder | Philadelphia Keystones |
| Gil Patterson | April 19, 1977 | August 27, 1977 | Pitcher | New York Yankees |
| Ham Patterson | May 18, 1909 | August 30, 1909 | Utility player | St. Louis Browns, Chicago White Sox |
| Hank Patterson | September 5, 1932 | September 5, 1932 | Catcher | Boston Red Sox |
| Jarrod Patterson | June 16, 2001 | September 28, 2003 | Third baseman | Detroit Tigers, Kansas City Royals |
| Jeff Patterson | April 30, 1995 | May 7, 1995 | Pitcher | New York Yankees |
| John Patterson (IF) | April 6, 1992 | September 26, 1995 | Second baseman | San Francisco Giants |
| John Patterson (P) | July 20, 2002 | May 5, 2007 | Pitcher | Arizona Diamondbacks, Montreal Expos/Washington Nationals |
| Ken Patterson | July 8, 1988 | April 24, 1994 | Pitcher | Chicago White Sox, Chicago Cubs, California Angels |
| Mike Patterson | April 15, 1981 | October 3, 1982 | Outfielder | Oakland Athletics, New York Yankees |
| Pat Patterson | April 14, 1921 | June 29, 1921 | Third baseman | New York Giants |
| Reggie Patterson | August 13, 1981 | October 6, 1985 | Pitcher | Chicago White Sox, Chicago Cubs |
| Roy Patterson | April 24, 1901 | September 16, 1907 | Pitcher | Chicago White Stockings (AL)/White Sox |
| Scott Patterson | June 1, 2008 | | Pitcher | New York Yankees, San Diego Padres |
| Tom Patterson | May 18, 1871 | September 8, 1875 | Outfielder | New York Mutuals, Eckford of Brooklyn, Brooklyn Atlantics |
| Marty Pattin | May 14, 1968 | October 1, 1980 | Pitcher | California Angels, Seattle Pilots, Milwaukee Brewers, Boston Red Sox, Kansas City Royals |
| Jimmy Pattison | April 18, 1929 | May 13, 1929 | Pitcher | Brooklyn Robins |
| Bill Patton | June 29, 1935 | September 29, 1935 | Catcher | Philadelphia Athletics |
| David Patton | April 8, 2009 | | Pitcher | Chicago Cubs |
| Gene Patton | June 17, 1944 | June 17, 1944 | Pinch runner | Boston Braves |
| Harry Patton | August 22, 1910 | August 22, 1910 | Pitcher | St. Louis Cardinals |
| Tom Patton | April 30, 1957 | April 30, 1957 | Catcher | Baltimore Orioles |
| Troy Patton | August 25, 2007 | | Pitcher | Houston Astros, Baltimore Orioles |
| Josh Paul | September 7, 1999 | September 26, 2007 | Catcher | Chicago White Sox, Chicago Cubs, Anaheim Angels/Los Angeles Angels of Anaheim, Tampa Bay Devil Rays |
| Lou Paul | September 5, 1876 | September 8, 1876 | Catcher | Philadelphia Athletics (1860–76) |
| Mike Paul | May 27, 1968 | April 16, 1974 | Pitcher | Cleveland Indians, Texas Rangers, Chicago Cubs |
| Xavier Paul | May 7, 2009 | | Outfielder | Los Angeles Dodgers, Pittsburgh Pirates |
| Carlos Paula | September 6, 1954 | June 23, 1956 | Outfielder | Washington Senators |
| Gene Paulette | June 16, 1911 | October 3, 1920 | First baseman | New York Giants, St. Louis Browns, St. Louis Cardinals, Philadelphia Phillies |
| David Pauley | May 31, 2006 | | Pitcher | Boston Red Sox, Seattle Mariners, Detroit Tigers |
| Felipe Paulino | September 5, 2007 | | Pitcher | Houston Astros, Colorado Rockies, Kansas City Royals |
| Ronny Paulino | September 25, 2005 | | Catcher | Pittsburgh Pirates, Florida Marlins, New York Mets |
| Gil Paulsen | October 3, 1925 | October 3, 1925 | Pitcher | St. Louis Cardinals |
| Si Pauxtis | September 18, 1909 | October 5, 1909 | Catcher | Cincinnati Reds |
| Carl Pavano | May 23, 1998 | | Pitcher | Montreal Expos, Florida Marlins, New York Yankees, Cleveland Indians, Minnesota Twins |
| Dave Pavlas | August 21, 1990 | September 29, 1996 | Pitcher | Chicago Cubs, New York Yankees |
| Don Pavletich | April 20, 1957 | September 1, 1971 | Catcher | Cincinnati Redlegs/Reds, Chicago White Sox, Boston Red Sox |
| Roger Pavlik | May 2, 1992 | April 23, 1998 | Pitcher | Texas Rangers |
| Ted Pawelek | September 13, 1946 | September 26, 1946 | Catcher | Chicago Cubs |
| Stan Pawloski | September 24, 1955 | September 25, 1955 | Second baseman | Cleveland Indians |
| John Pawlowski | September 19, 1987 | May 10, 1988 | Pitcher | Chicago White Sox |
| Mike Paxton | May 25, 1977 | May 3, 1980 | Pitcher | Boston Red Sox, Cleveland Indians |
| Fred Payne | April 21, 1906 | September 4, 1911 | Catcher | Detroit Tigers, Chicago White Sox |
| George Payne | May 8, 1920 | October 3, 1920 | Pitcher | Chicago White Sox |
| Harley Payne | April 18, 1896 | June 8, 1899 | Pitcher | Brooklyn Bridegrooms, Pittsburgh Pirates |
| Mike Payne | August 22, 1984 | September 17, 1984 | Pitcher | Atlanta Braves |
| George Paynter | August 12, 1894 | August 12, 1894 | Outfielder | St. Louis Browns (NL) |
| Jay Payton | September 1, 1998 | | Outfielder | New York Mets, Colorado Rockies, San Diego Padres, Boston Red Sox, Oakland Athletics, Baltimore Orioles |
| Mike Pazik | May 11, 1975 | April 22, 1977 | Pitcher | Minnesota Twins |
| Brad Peacock | September 6, 2011 | | Pitcher | Washington Nationals |
| Johnny Peacock | September 23, 1937 | September 23, 1945 | Catcher | Boston Red Sox, Philadelphia Phillies, Brooklyn Dodgers |
| Elias Peak | April 19, 1884 | August 7, 1884 | Second baseman | Boston Reds (UA), Philadelphia Keystones |
| Bunny Pearce | July 1, 1908 | May 30, 1909 | Catcher | Cincinnati Reds |
| Dickey Pearce | May 18, 1871 | October 6, 1877 | Shortstop | New York Mutuals, Brooklyn Atlantics, St. Louis Brown Stockings |
| Frank Pearce (1870s P) | October 4, 1876 | October 4, 1876 | Pitcher | Louisville Grays |
| Frank Pearce (1930s P) | April 20, 1933 | May 15, 1935 | Pitcher | Philadelphia Phillies |
| Harry Pearce | October 2, 1917 | September 11, 1919 | Second baseman | Philadelphia Phillies |
| Jim Pearce | September 8, 1949 | May 3, 1955 | Pitcher | Washington Senators, Cincinnati Redlegs |
| Josh Pearce | April 20, 2002 | May 8, 2004 | Pitcher | St. Louis Cardinals |
| Steve Pearce | September 1, 2007 | | Outfielder | Pittsburgh Pirates |
| Frank Pears | October 6, 1889 | August 1, 1893 | Pitcher | Kansas City Cowboys (AA), St. Louis Browns (NL) |
| Albie Pearson | April 14, 1958 | July 16, 1966 | Outfielder | Washington Senators, Baltimore Orioles, Los Angeles/California Angels |
| Alex Pearson | August 1, 1902 | August 6, 1903 | Pitcher | St. Louis Cardinals, Cleveland Naps |
| Ike Pearson | June 6, 1939 | September 19, 1948 | Pitcher | Philadelphia Phillies, Chicago White Sox |
| Jason Pearson | June 4, 2002 | August 20, 2003 | Pitcher | San Diego Padres, St. Louis Cardinals |
| Monte Pearson | April 22, 1932 | August 5, 1941 | Pitcher | Cleveland Indians, New York Yankees, Cincinnati Reds |
| Terry Pearson | April 4, 2002 | April 13, 2002 | Pitcher | Detroit Tigers |
| Marv Peasley | September 27, 1910 | October 6, 1910 | Pitcher | Detroit Tigers |
| Jake Peavy | June 22, 2002 | | Pitcher | San Diego Padres, Chicago White Sox |
| George Pechiney | August 4, 1885 | June 24, 1887 | Pitcher | Cincinnati Red Stockings (AA), Cleveland Blues (NL) |
| Charlie Pechous | September 14, 1915 | September 30, 1917 | Third baseman | Chicago Whales, Chicago Cubs |
| Hal Peck | May 13, 1943 | September 25, 1949 | Outfielder | Brooklyn Dodgers, Philadelphia Athletics, Cleveland Indians |
| Roger Peckinpaugh | September 15, 1910 | September 25, 1927 | Shortstop | Cleveland Naps, New York Yankees, Washington Senators, Chicago White Sox |
| Bill Pecota | September 19, 1986 | August 11, 1994 | Utility infielder | Kansas City Royals, New York Mets, Atlanta Braves |
| Les Peden | April 17, 1953 | May 6, 1953 | Catcher | Washington Senators |
| Stu Pederson | September 8, 1985 | October 6, 1985 | Outfielder | Los Angeles Dodgers |
| Jorge Pedre | September 7, 1991 | September 28, 1992 | Catcher | Kansas City Royals, Chicago Cubs |
| Al Pedrique | April 14, 1987 | June 21, 1989 | Shortstop | New York Mets, Pittsburgh Pirates, Detroit Tigers |
| Chick Pedroes | August 21, 1902 | August 22, 1902 | Outfielder | Chicago Orphans |
| Dustin Pedroia | August 22, 2006 | | Second baseman | Boston Red Sox |
| Steve Peek | April 16, 1941 | September 6, 1941 | Pitcher | New York Yankees |
| Homer Peel | September 13, 1927 | June 25, 1934 | Outfielder | St. Louis Cardinals, Philadelphia Phillies, New York Giants |
| Jack Peerson | September 7, 1935 | September 27, 1936 | Shortstop | Philadelphia Athletics |
| Red Peery | September 22, 1927 | September 27, 1929 | Pitcher | Pittsburgh Pirates, Boston Braves |
| Charlie Peete | July 17, 1956 | August 16, 1956 | Outfielder | St. Louis Cardinals |
| Carlos Peguero | April 19, 2011 | | Outfielder | Seattle Mariners |
| Jailen Peguero | June 8, 2007 | | Pitcher | Arizona Diamondbacks |
| Julio Peguero | April 8, 1992 | June 3, 1992 | Outfielder | Philadelphia Phillies |
| Steve Pegues | July 6, 1994 | September 29, 1995 | Outfielder | Cincinnati Reds, Pittsburgh Pirates |
| Heinie Peitz | October 15, 1892 | June 1, 1913 | Catcher | St. Louis Browns (NL), Cincinnati Reds, Pittsburgh Pirates, St. Louis Cardinals |
| Joe Peitz | July 5, 1894 | July 11, 1894 | Outfielder | St. Louis Browns (NL) |
| Alex Pelaez | May 16, 2002 | May 18, 2002 | Utility infielder | San Diego Padres |
| Mike Pelfrey | July 8, 2006 | | Pitcher | New York Mets |
| Eddie Pellagrini | April 22, 1946 | September 24, 1954 | Utility infielder | Boston Red Sox, St. Louis Browns, Philadelphia Phillies, Cincinnati Reds, Pittsburgh Pirates |
| Kit Pellow | August 14, 2002 | August 22, 2004 | Utility player | Kansas City Royals, Colorado Rockies |
| Louis Pelouze | July 24, 1886 | July 24, 1886 | Outfielder | St. Louis Maroons |
| Dan Peltier | June 26, 1992 | July 17, 1996 | Outfielder | Texas Rangers, San Francisco Giants |
| Barney Pelty | August 20, 1903 | August 10, 1912 | Pitcher | St. Louis Browns, Washington Senators |
| John Peltz | May 1, 1884 | October 13, 1890 | Outfielder | Indianapolis Hoosiers (AA), Baltimore Orioles (19th century), Brooklyn Gladiators, Syracuse Stars (AA), Toledo Maumees |
| Dave Pember | September 3, 2002 | September 26, 2002 | Pitcher | Milwaukee Brewers |
| Brock Pemberton | September 10, 1974 | September 23, 1975 | First baseman | New York Mets |
| Rudy Pemberton | April 26, 1995 | June 2, 1997 | Outfielder | Detroit Tigers, Boston Red Sox |
| Alejandro Peña | September 14, 1981 | April 13, 1996 | Pitcher | Los Angeles Dodgers, New York Mets, Atlanta Braves, Pittsburgh Pirates, Boston Red Sox, Florida Marlins |
| Ángel Peña | September 8, 1998 | June 1, 2001 | Catcher | Los Angeles Dodgers |
| Bert Peña | September 14, 1981 | July 19, 1987 | Shortstop | Houston Astros |
| Brayan Peña | May 23, 2005 | | Catcher | Atlanta Braves, Kansas City Royals |
| Carlos Peña | September 5, 2001 | | First baseman | Texas Rangers, Oakland Athletics, Detroit Tigers, Boston Red Sox, Tampa Bay Devil Rays/Rays, Chicago Cubs |
| Elvis Peña | September 2, 2000 | October 7, 2001 | Second baseman | Colorado Rockies, Milwaukee Brewers |
| Gerónimo Peña | September 5, 1990 | September 29, 1996 | Second baseman | St. Louis Cardinals, Cleveland Indians |
| Hipólito Peña | September 1, 1986 | September 30, 1988 | Pitcher | Pittsburgh Pirates, New York Yankees |
| Jesús Peña | August 7, 1999 | October 1, 2000 | Pitcher | Chicago White Sox, Boston Red Sox |
| Jim Pena | July 7, 1992 | October 3, 1992 | Pitcher | San Francisco Giants |
| José Peña | June 1, 1969 | July 14, 1972 | Pitcher | Cincinnati Reds, Los Angeles Dodgers |
| Juan Peña | May 8, 1999 | May 14, 1999 | Pitcher | Boston Red Sox |
| Orlando Peña | August 24, 1958 | May 1, 1975 | Pitcher | Cincinnati Reds, Kansas City Athletics, Detroit Tigers, Cleveland Indians, Pittsburgh Pirates, Baltimore Orioles, St. Louis Cardinals, California Angels |
| Ramiro Peña | April 6, 2009 | | Utility infielder | New York Yankees |
| Ramón Peña | April 27, 1989 | August 5, 1989 | Pitcher | Detroit Tigers |
| Roberto Peña | April 12, 1965 | September 30, 1971 | Shortstop | Chicago Cubs, Philadelphia Phillies, San Diego Padres, Oakland Athletics, Milwaukee Brewers |
| Tony Peña (C) | September 1, 1980 | September 28, 1997 | Catcher | Pittsburgh Pirates, St. Louis Cardinals, Boston Red Sox, Cleveland Indians, Chicago White Sox, Houston Astros |
| Tony Peña Jr. | April 13, 2006 | | Shortstop | Atlanta Braves, Kansas City Royals |
| Tony Peña (P) | July 18, 2006 | | Pitcher | Arizona Diamondbacks, Chicago White Sox |
| Wily Mo Peña | September 10, 2002 | | Outfielder | Cincinnati Reds, Boston Red Sox, Washington Nationals, Arizona Diamondbacks, Seattle Mariners |
| Elmer Pence | August 23, 1922 | August 23, 1922 | Outfielder | Chicago White Sox |
| Hunter Pence | April 28, 2007 | | Outfielder | Houston Astros, Philadelphia Phillies |
| Rusty Pence | May 13, 1921 | May 30, 1921 | Pitcher | Chicago White Sox |
| Jim Pendleton | April 17, 1953 | September 30, 1962 | Outfielder | Milwaukee Braves, Pittsburgh Pirates, Cincinnati Reds, Houston Colt .45s |
| Lance Pendleton | April 15, 2011 | | Pitcher | New York Yankees, Houston Astros |
| Terry Pendleton | July 18, 1984 | September 25, 1998 | Third baseman | St. Louis Cardinals, Atlanta Braves, Florida Marlins, Cincinnati Reds, Kansas City Royals |
| Hayden Penn | May 28, 2005 | | Pitcher | Baltimore Orioles, Florida Marlins, Pittsburgh Pirates |
| Shannon Penn | April 28, 1995 | September 29, 1996 | Utility player | Detroit Tigers |
| Ken Penner | September 11, 1916 | September 4, 1929 | Pitcher | Cleveland Indians, Chicago Cubs |
| Brad Pennington | April 17, 1993 | September 22, 1998 | Pitcher | Baltimore Orioles, Cincinnati Reds, Boston Red Sox, California Angels, Tampa Bay Devil Rays |
| Cliff Pennington | August 12, 2008 | | Utility infielder | Oakland Athletics |
| Kewpie Pennington | April 14, 1917 | April 14, 1917 | Pitcher | St. Louis Browns |
| Herb Pennock β | May 14, 1912 | August 27, 1934 | Pitcher | Philadelphia Athletics, Boston Red Sox, New York Yankees |
| Brad Penny | April 7, 2000 | | Pitcher | Florida Marlins, Los Angeles Dodgers, Boston Red Sox, San Francisco Giants, St. Louis Cardinals, Detroit Tigers |
| Will Pennyfeather | June 27, 1992 | April 17, 1994 | Outfielder | Pittsburgh Pirates |
| Paul Penson | April 21, 1954 | May 30, 1954 | Pitcher | Philadelphia Phillies |
| Gene Pentz | July 29, 1975 | May 3, 1978 | Pitcher | Detroit Tigers, Houston Astros |
| Jimmy Peoples | May 29, 1884 | July 23, 1889 | Catcher | Cincinnati Red Stockings (AA), Brooklyn Grays/Bridegrooms, Columbus Solons |
| Joe Pepitone | April 10, 1962 | May 25, 1973 | First baseman | New York Yankees, Houston Astros, Chicago Cubs, Atlanta Braves |
| Henry Peploski | September 19, 1929 | October 6, 1929 | Third baseman | Boston Braves |
| Pepper Peploski | June 24, 1913 | June 26, 1913 | Third baseman | Detroit Tigers |
| Bob Pepper | July 23, 1915 | July 23, 1915 | Pitcher | Philadelphia Athletics |
| Don Pepper | September 10, 1966 | October 2, 1966 | First baseman | Detroit Tigers |
| Laurin Pepper | July 4, 1954 | June 6, 1957 | Pitcher | Pittsburgh Pirates |
| Ray Pepper | April 15, 1932 | September 25, 1936 | Outfielder | St. Louis Cardinals, St. Louis Browns |
| Harrison Peppers | June 30, 1894 | July 6, 1894 | Pitcher | Louisville Colonels |
| Jhonny Peralta | June 12, 2003 | | Shortstop | Cleveland Indians, Detroit Tigers |
| Joel Peralta | May 25, 2005 | | Pitcher | Los Angeles Dodgers, Kansas City Royals, Colorado Rockies, Washington Nationals, Tampa Bay Rays |
| Luis Peraza | April 9, 1969 | July 4, 1969 | Pitcher | Philadelphia Phillies |
| Oswaldo Peraza | April 4, 1988 | September 2, 1988 | Pitcher | Baltimore Orioles |
| Troy Percival | April 26, 1995 | | Pitcher | California/Anaheim Angels, Detroit Tigers, St. Louis Cardinals, Tampa Bay Rays |
| Jack Perconte | September 13, 1980 | October 4, 1986 | Second baseman | Los Angeles Dodgers, Cleveland Indians, Seattle Mariners, Chicago White Sox |
| Luis Perdomo | April 15, 2009 | October 3, 2012 | Pitcher | San Diego Padres, Minnesota Twins |
| Hub Perdue | April 19, 1911 | September 30, 1915 | Pitcher | Boston Rustlers/Braves, St. Louis Cardinals |
| Antonio Pérez | May 14, 2003 | September 28, 2006 | Utility infielder | Tampa Bay Devil Rays, Los Angeles Dodgers, Oakland Athletics |
| Beltrán Pérez | September 2, 2006 | September 30, 2006 | Pitcher | Washington Nationals |
| Carlos Pérez | April 27, 1995 | September 5, 2000 | Pitcher | Montreal Expos, Los Angeles Dodgers |
| Chris Perez | May 16, 2008 | | Pitcher | St. Louis Cardinals, Cleveland Indians |
| Danny Perez | June 30, 1996 | July 5, 1996 | Outfielder | Milwaukee Brewers |
| Eddie Pérez | September 10, 1995 | September 27, 2005 | Catcher | Atlanta Braves, Cleveland Indians, Milwaukee Brewers |
| Eduardo Pérez | July 27, 1993 | September 29, 2006 | First baseman | California Angels, Cincinnati Reds, St. Louis Cardinals, Tampa Bay Devil Rays, Cleveland Indians, Seattle Mariners |
| Fernando Perez | September 5, 2008 | | Outfielder | Tampa Bay Rays |
| George Perez | April 17, 1958 | May 6, 1958 | Pitcher | Pittsburgh Pirates |
| Juan Pérez | September 7, 2006 | | Pitcher | Pittsburgh Pirates, Philadelphia Phillies |
| Luis Pérez | April 16, 2011 | | Pitcher | Toronto Blue Jays |
| Marty Perez | September 9, 1969 | September 16, 1978 | Utility infielder | California Angels, Atlanta Braves, San Francisco Giants, New York Yankees, Oakland Athletics |
| Mélido Pérez | September 4, 1987 | September 13, 1995 | Pitcher | Kansas City Royals, Chicago White Sox, New York Yankees |
| Miguel Pérez | September 7, 2005 | September 28, 2005 | Catcher | Cincinnati Reds |
| Mike Pérez | September 5, 1990 | August 17, 1997 | Pitcher | St. Louis Cardinals, Chicago Cubs, Kansas City Royals |
| Neifi Pérez | August 31, 1996 | July 5, 2007 | Shortstop | Colorado Rockies, Kansas City Royals, San Francisco Giants, Chicago Cubs, Detroit Tigers |
| Odalis Pérez | September 1, 1998 | | Pitcher | Atlanta Braves, Los Angeles Dodgers, Kansas City Royals, Washington Nationals |
| Óliver Pérez | June 16, 2002 | | Pitcher | San Diego Padres, Pittsburgh Pirates, New York Mets |
| Pascual Pérez | May 7, 1980 | October 2, 1991 | Pitcher | Pittsburgh Pirates, Atlanta Braves, Montreal Expos, New York Yankees |
| Rafael Pérez | April 20, 2006 | | Pitcher | Cleveland Indians |
| Robert Pérez | July 20, 1994 | July 2, 2001 | Outfielder | Toronto Blue Jays, Seattle Mariners, Montreal Expos, New York Yankees, Milwaukee Brewers |
| Salvador Pérez | August 10, 2011 | | Catcher | Kansas City Royals |
| Santiago Pérez | June 3, 2000 | July 1, 2001 | Utility player | Milwaukee Brewers, San Diego Padres |
| Timo Pérez | September 1, 2000 | | Outfielder | New York Mets, Chicago White Sox, St. Louis Cardinals, Detroit Tigers |
| Tomás Pérez | May 3, 1995 | April 21, 2008 | Utility infielder | Toronto Blue Jays, Philadelphia Phillies, Tampa Bay Devil Rays, Houston Astros |
| Tony Pérez β | July 26, 1964 | October 5, 1986 | First baseman | Cincinnati Reds, Montreal Expos, Boston Red Sox, Philadelphia Phillies |
| Yorkis Pérez | September 30, 1991 | September 10, 2002 | Pitcher | Chicago Cubs, Florida Marlins, New York Mets, Philadelphia Phillies, Houston Astros, Baltimore Orioles |
| Tony Perezchica | September 7, 1988 | May 20, 1992 | Utility infielder | San Francisco Giants, Cleveland Indians |
| Matt Perisho | May 27, 1997 | September 2, 2005 | Pitcher | Anaheim Angels, Texas Rangers, Detroit Tigers, Florida Marlins, Boston Red Sox |
| Broderick Perkins | July 7, 1978 | September 23, 1984 | First baseman | San Diego Padres, Cleveland Indians |
| Cecil Perkins | July 5, 1967 | July 8, 1967 | Pitcher | New York Yankees |
| Charlie Perkins | June 27, 1930 | May 24, 1934 | Pitcher | Philadelphia Athletics, Brooklyn Dodgers |
| Cy Perkins | September 25, 1915 | September 30, 1934 | Catcher | Philadelphia Athletics, New York Yankees, Detroit Tigers |
| Dan Perkins | April 7, 1999 | October 2, 2000 | Pitcher | Minnesota Twins |
| Glen Perkins | September 21, 2006 | | Pitcher | Minnesota Twins |
| John Perkovich | May 6, 1950 | May 6, 1950 | Pitcher | Chicago White Sox |
| Harry Perkowski | September 13, 1947 | September 18, 1955 | Pitcher | Cincinnati Reds/Redlegs, Chicago Cubs |
| Jon Perlman | September 6, 1985 | July 8, 1988 | Pitcher | Chicago Cubs, San Francisco Giants, Cleveland Indians |
| Sam Perlozzo | September 13, 1977 | September 13, 1979 | Second baseman | Minnesota Twins, San Diego Padres |
| Len Perme | September 8, 1942 | June 9, 1946 | Pitcher | Chicago White Sox |
| Hub Pernoll | April 25, 1910 | May 13, 1912 | Pitcher | Detroit Tigers |
| Ron Perranoski | April 14, 1961 | June 17, 1973 | Pitcher | Los Angeles Dodgers, Minnesota Twins, Detroit Tigers, California Angels |
| Bill Perrin | September 30, 1934 | September 30, 1934 | Pitcher | Cleveland Indians |
| John Perrin | July 11, 1921 | July 12, 1921 | Outfielder | Boston Red Sox |
| Nig Perrine | April 11, 1907 | July 9, 1907 | Utility infielder | Washington Senators |
| George Perring | April 25, 1908 | October 3, 1915 | Third baseman | Cleveland Indians, Kansas City Packers |
| Pol Perritt | September 7, 1912 | July 3, 1921 | Pitcher | St. Louis Cardinals, New York Giants, Detroit Tigers |
| Bob Perry | May 17, 1963 | October 3, 1964 | Outfielder | Los Angeles Angels |
| Boyd Perry | May 23, 1941 | September 20, 1941 | Shortstop | Detroit Tigers |
| Chan Perry | August 5, 2000 | August 11, 2002 | Utility player | Cleveland Indians, Kansas City Royals |
| Clay Perry | September 2, 1908 | September 13, 1908 | Third baseman | Detroit Tigers |
| Gaylord Perry β | April 14, 1962 | September 21, 1983 | Pitcher | San Francisco Giants, Cleveland Indians, Texas Rangers, San Diego Padres, New York Yankees, Atlanta Braves, Seattle Mariners, Kansas City Royals |
| Gerald Perry | August 11, 1983 | August 24, 1995 | First baseman | Atlanta Braves, Kansas City Royals, St. Louis Cardinals |
| Hank Perry | April 12, 1912 | May 25, 1912 | Outfielder | Detroit Tigers |
| Herbert Perry | May 3, 1994 | September 10, 2004 | Third baseman | Cleveland Indians, Tampa Bay Devil Rays, Chicago White Sox, Texas Rangers |
| Jason Perry | July 4, 2008 | | Outfielder | Atlanta Braves |
| Jim Perry | April 23, 1959 | August 5, 1975 | Pitcher | Cleveland Indians, Minnesota Twins, Detroit Tigers, Oakland Athletics |
| Pat Perry | September 12, 1985 | September 30, 1990 | Pitcher | St. Louis Cardinals, Cincinnati Reds, Chicago Cubs, Los Angeles Dodgers |
| Ryan Perry | April 8, 2009 | | Pitcher | Detroit Tigers |
| Scott Perry | May 13, 1915 | June 1, 1921 | Pitcher | St. Louis Browns, Chicago Cubs, Cincinnati Reds, Philadelphia Athletics |
| Parson Perryman | April 14, 1915 | July 13, 1915 | Pitcher | St. Louis Browns |
| Robert Person | September 18, 1995 | June 7, 2003 | Pitcher | New York Mets, Toronto Blue Jays, Philadelphia Phillies, Boston Red Sox |
| Bill Pertica | August 7, 1918 | April 20, 1923 | Pitcher | Boston Red Sox, St. Louis Cardinals |
| Stan Perzanowski | June 20, 1971 | September 27, 1978 | Pitcher | Chicago White Sox, Texas Rangers, Minnesota Twins |
| Johnny Pesky | April 14, 1942 | September 24, 1954 | Utility infielder | Boston Red Sox, Detroit Tigers, Washington Senators |
| Vinnie Pestano | September 23, 2010 | | Pitcher | Cleveland Indians |
| Roberto Petagine | April 4, 1994 | July 8, 2006 | First baseman | Houston Astros, San Diego Padres, New York Mets, Cincinnati Reds, Boston Red Sox, Seattle Mariners |
| Jeff Peterek | August 14, 1989 | September 22, 1989 | Pitcher | Milwaukee Brewers |
| Bill Peterman | April 26, 1942 | April 26, 1942 | Catcher | Philadelphia Phillies |
| Chris Peters | July 19, 1996 | May 28, 2001 | Pitcher | Pittsburgh Pirates, Montreal Expos |
| Gary Peters | September 10, 1959 | September 23, 1972 | Pitcher | Chicago White Sox, Boston Red Sox |
| John Peters (SS) | May 23, 1874 | June 11, 1884 | Shortstop | Chicago White Stockings, Milwaukee Grays, Providence Grays, Buffalo Bisons (NL), Pittsburgh Alleghenys |
| John Peters (C) | May 1, 1915 | September 25, 1922 | Catcher | Detroit Tigers, Cleveland Indians, Philadelphia Phillies |
| Ray Peters | June 4, 1970 | June 9, 1970 | Pitcher | Milwaukee Brewers |
| Rick Peters | September 8, 1979 | June 29, 1986 | Outfielder | Detroit Tigers, Oakland Athletics |
| Rube Peters | April 13, 1912 | September 21, 1914 | Pitcher | Chicago White Sox, Brooklyn Tip-Tops |
| Rusty Peters | April 14, 1936 | September 28, 1947 | Utility infielder | Philadelphia Athletics, Cleveland Indians, St. Louis Browns |
| Steve Peters | August 11, 1987 | October 2, 1988 | Pitcher | St. Louis Cardinals |
| Bryan Petersen | May 7, 2010 | | Outfielder | Florida Marlins |
| Chris Petersen | May 25, 1999 | June 4, 1999 | Second baseman | Colorado Rockies |
| Adam Peterson (1990s P) | September 19, 1987 | August 6, 1991 | Pitcher | Chicago White Sox, San Diego Padres |
| Adam Peterson (2000s P) | June 24, 2004 | June 28, 2004 | Pitcher | Toronto Blue Jays |
| Bob Peterson | April 18, 1906 | October 5, 1907 | Catcher | Boston Americans |
| Buddy Peterson | September 14, 1955 | September 29, 1957 | Shortstop | Chicago White Sox, Baltimore Orioles |
| Cap Peterson | September 12, 1962 | September 28, 1969 | Outfielder | San Francisco Giants, Washington Senators (1961–1971), Cleveland Indians |
| Fritz Peterson | April 15, 1966 | June 19, 1976 | Pitcher | New York Yankees, Cleveland Indians, Texas Rangers |
| Hardy Peterson | May 5, 1955 | August 8, 1959 | Catcher | Pittsburgh Pirates |
| Jim Peterson | July 9, 1931 | April 24, 1937 | Pitcher | Philadelphia Athletics, Brooklyn Dodgers |
| Kent Peterson | July 15, 1944 | July 18, 1953 | Pitcher | Cincinnati Reds, Philadelphia Phillies |
| Kyle Peterson | July 19, 1999 | July 5, 2001 | Pitcher | Milwaukee Brewers |
| Sid Peterson | May 4, 1943 | May 12, 1943 | Pitcher | St. Louis Browns |
| Gregorio Petit | May 18, 2008 | | Utility infielder | Oakland Athletics |
| Yusmeiro Petit | May 14, 2006 | | Pitcher | Florida Marlins, Arizona Diamondbacks |
| Mark Petkovsek | June 8, 1991 | October 4, 2001 | Pitcher | Texas Rangers, Pittsburgh Pirates, St. Louis Cardinals, Anaheim Angels |
| Ted Petoskey | September 9, 1934 | June 20, 1935 | Outfielder | Cincinnati Reds |
| Geno Petralli | September 4, 1982 | October 2, 1993 | Catcher | Toronto Blue Jays, Texas Rangers |
| Ben Petrick | September 1, 1999 | September 28, 2003 | Catcher | Colorado Rockies, Detroit Tigers |
| Billy Petrick | June 27, 2007 | | Pitcher | Chicago Cubs |
| Rico Petrocelli | September 21, 1963 | September 14, 1976 | Utility infielder | Boston Red Sox |
| Dan Petry | July 8, 1979 | October 5, 1991 | Pitcher | Detroit Tigers, California Angels, Atlanta Braves, Boston Red Sox |
| Pat Pettee | April 8, 1891 | April 14, 1891 | Second baseman | Louisville Colonels |
| Jay Pettibone | September 11, 1983 | October 1, 1983 | Pitcher | Minnesota Twins |
| Ned Pettigrew | April 23, 1914 | April 24, 1914 | Pinch hitter | Buffalo Buffeds |
| Joe Pettini | July 10, 1980 | October 2, 1983 | Shortstop | San Francisco Giants |
| Gary Pettis | September 13, 1982 | September 10, 1992 | Outfielder | California Angels, Detroit Tigers, Texas Rangers, San Diego Padres |
| Bob Pettit | September 3, 1887 | October 4, 1891 | Outfielder | Chicago White Stockings, Milwaukee Brewers (AA) |
| Chris Pettit | September 11, 2009 | | Outfielder | Los Angeles Angels of Anaheim |
| Leon Pettit | April 18, 1935 | June 8, 1937 | Pitcher | Washington Senators, Philadelphia Phillies |
| Paul Pettit | May 4, 1951 | September 19, 1953 | Pitcher | Pittsburgh Pirates |
| Andy Pettitte | April 29, 1995 | October 2, 2010 | Pitcher | New York Yankees, Houston Astros |
| Charlie Petty | July 30, 1889 | August 17, 1894 | Pitcher | Cincinnati Red Stockings (AA), New York Giants, Washington Senators (1891–99), Cleveland Spiders |
| Jesse Petty | April 14, 1921 | September 28, 1930 | Pitcher | Cleveland Indians, Brooklyn Robins, Pittsburgh Pirates, Chicago Cubs |
| Adam Pettyjohn | July 16, 2001 | | Pitcher | Detroit Tigers, Cincinnati Reds |
| Marty Pevey | May 16, 1989 | June 29, 1989 | Catcher | Montreal Expos |
| Larry Pezold | July 27, 1914 | September 30, 1914 | Third baseman | Cleveland Naps |
| Pretzel Pezzullo | April 18, 1935 | April 15, 1936 | Pitcher | Philadelphia Phillies |
| Bill Pfann | June 16, 1894 | June 16, 1894 | Pitcher | Cincinnati Reds |
| Big Jeff Pfeffer | April 15, 1905 | October 9, 1911 | Pitcher | Chicago Cubs, Boston Beaneaters/Doves/Rustlers |
| Fred Pfeffer | May 1, 1884 | June 14, 1897 | Second baseman | Troy Trojans, Chicago White Stockings, Chicago Pirates, Chicago Colts, Louisville Colonels |
| Jeff Pfeffer | April 16, 1911 | September 26, 1924 | Pitcher | St. Louis Browns, Brooklyn Superbas/Robins, St. Louis Cardinals, Pittsburgh Pirates |
| Monte Pfeffer | September 29, 1913 | September 29, 1913 | Shortstop | Philadelphia Athletics |
| Bobby Pfeil | June 26, 1969 | September 6, 1971 | Third baseman | New York Mets, Philadelphia Phillies |
| Jack Pfiester | September 8, 1903 | May 10, 1911 | Pitcher | Pittsburgh Pirates, Chicago Cubs |
| Dan Pfister | September 9, 1961 | July 31, 1964 | Pitcher | Kansas City Athletics |
| George Pfister | September 27, 1941 | September 27, 1941 | Catcher | Brooklyn Dodgers |
| Lee Pfund | April 21, 1945 | July 5, 1945 | Pitcher | Brooklyn Dodgers |
| Monte Pfyl | July 30, 1907 | July 30, 1907 | First baseman | New York Giants |
