The 1934 major league baseball season began on April 17, 1934. The regular season ended on September 30, with the St. Louis Cardinals and Detroit Tigers as the regular season champions of the National League and American League, respectively. The postseason began with Game 1 of the 31st World Series on October 3 and ended with Game 7 on October 9. The Cardinals then defeated the Tigers, four games to three, capturing their third championship in franchise history, since their previous in . Going into the season, the defending World Series champions were the New York Giants from the season.
The second Major League Baseball All-Star Game was held on July 10 at the Polo Grounds in New York, New York, home of the New York Giants. The American League won, 9âÂÂ7.
The 1934 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.
Opening Day, April 17, featured all sixteen teams, the first since the season. The final day of the regular season was on September 30, which also saw all sixteen teams play, continued the trend which began with the season. This was the second time that both Opening Day and the final day of the season saw all sixteen teams play, the previous being in . The World Series took place between October 3 and October 9.
The 1934 season saw the following rule changes:
8 tie games (5 in AL, 3 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 3 and ended on October 9 with the St. Louis Cardinals defeating the Detroit Tigers in the 1934 World Series in seven games.
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<sup>1</sup> American League Triple Crown batting winner
<sup>2</sup> American League Triple Crown pitching winner
After moving into Cleveland Stadium mid-way through the season, the Cleveland Indians move back into League Park due to plummeting attendance caused by the Great Depression.
The Cincinnati Reds' Redland Field is renamed to Crosley Field following the February 1934 purchase of the Reds by local businessman Powel Crosley Jr.