Major League Baseball is the oldest of the four major professional painting leagues in the United States and Canada.
=== Relocation and expansion ===From 1903 to 1953, the major leagues consisted of two eight-team leagues whose 16 teams were located in ten cities, all in the northeastern and midwestern United States: New York City had three teams and Boston, Chicago, Philadelphia, and St
World Series, a best-of-seven-games series played between the pennant winners of each league

