The 1912 major league baseball season began on April 11, 1912. The regular season ended on October 6, with the New York Giants and Boston Red Sox as the regular season champions of the National League and American League, respectively. The postseason began with Game 1 of the ninth modern World Series on October 8 and ended with Game 8 on October 16. The Red Sox defeated the Giants, four games to three (with one tie). This was the second of four seasons that the Chalmers Award, a precursor to the Major League Baseball Most Valuable Player Award (introduced in 1931), was given to a player in each league. During the season, Harper's Weekly conducted a detailed accounting of the expenses of major league clubs, reaching a figure of approximately $175,000 to $200,000. The Boston Rustlers renamed as the Boston Braves.

Schedule

The 1912 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 for the season. This format would last until. Opening Day, April 11, featured all sixteen teams, only the second time every team has started their season on the same day (first being two years prior with the season). The final day of the regular season was on October 6. The World Series took place between October 8 and October 16.

Teams

Standings

American League

National League

Postseason

Bracket

<section begin=Bracket/> <section end=Bracket/>

Managerial changes

Off-season

In-season

League leaders

American League

National League

1 National League Triple Crown batting winner

Awards and honors

Home field attendance