The 1939 major league baseball season began on April 17, 1939. The regular season ended on October 1, with the Cincinnati Reds and New York Yankees as the regular season champions of the National League and American League, respectively. The postseason began with Game 1 of the 36th World Series on October 4 and ended with Game 4 on October 8. The Yankees swept the Reds in four games, capturing their eighth championship in franchise history, and their last in a four-World Series run, becoming the first team to win four consecutive World Series.
The seventh Major League Baseball All-Star Game was held on July 11 at Yankee Stadium in New York, New York, home of the New York Yankees. The American League won, 3âÂÂ1.
The 1939 schedule consisted of 154 games for all teams in the American League and National League, each of which had eight teams. Each team was scheduled to play 22 games against the other seven teams of their respective league. This continued the format put in place since the season (except for ) and would be used until in the American League and in the National League.
National League Opening Day took place on April 17 with a game between the Pittsburgh Pirates and Cincinnati Reds, while American League Opening Day took place on the following day, with a game between the Chicago White Sox and Detroit Tigers. This continued the trend from the previous season which saw both leagues opened on different days. It was the first season since that saw both leagues open with just one game each. The final day of the regular season was on October 1 and featured twelve teams. The World Series took place between October 4 and October 8.
The 1939 season saw the following rule change:
An asterisk (*) denotes the ballpark a team played the minority of their home games at
10 tie games (4 in AL, 6 in NL), which are not factored into winning percentage or games behind (and were often replayed again) occurred throughout the season.
The postseason began on October 4 and ended on October 8 with the New York Yankees sweeping the Cincinnati Reds in the 1939 World Series in four games.
<section begin=Bracket/> <section end=Bracket/>
<sup>1</sup> National League Triple Crown pitching winner
Over 77 home games, the Cleveland Indians played 47 games at League Park and 30 games at Cleveland Stadium. This would be the 5th of 12 seasons since that saw the Indians play at both venues.
The first Major League game is televised on August 26, when WXBS-TV broadcasts the game between the Cincinnati Reds and the Brooklyn Dodgers at Ebbets Field. The two teams played a doubleheader that day, and the second game was also televised.