The regular season ended on October 1, with the St. Louis Cardinals and St. Louis Browns as the regular season champions of the National League and American League, respectively.
The Cardinals defeated the Browns, four games to two, capturing their fifth championship in franchise history, since their previous in 1942.
The 12th Major League Baseball All-Star Game was played on July 11, hosted by the Pittsburgh Pirates at the Forbes Field in Pittsburgh, Pennsylvania, with the National League winning, 7–1.
Opening Day took place on April 18, featuring fourteen teams.
An asterisk (*) denotes the ballpark a team played the minority of their home games at *Denotes walk-off This article relating to a Major League Baseball season is a stub.