The following are the baseball events of the year 1915 throughout the world.
Champions
Awards and honors
Statistical Leaders
Major League Baseball final standings
American League final standings
National League final standings
Federal League final standings
Events
Births
January-March
April-June
July-September
October-December
Deaths
- January 27 - John Coleman, 74, pitcher for the 1890 Philadelphia Phillies
- February 5 - Ross Barnes, 64, star second baseman of the 1870s who batted .359 lifetime, winning first NL batting title with .429 mark, also leading league in runs, hits, doubles, triples and walks
- February 24 - Adonis Terry, 50, pitcher for Brooklyn, Pittsburgh and Chicago who won 197 games, including two no-hitters
- June 4 - Tim Hurst, 49, umpire for nine NL seasons between 1891 and 1903, and in the AL from 1905-09; officiated in Temple Cup series of 1894-95, managed 1898 Browns; colorful figure known for his combative relations with players
- August 21 - Blaine Thomas, 27, pitched briefly for the 1911 Boston Red Sox
- September 9 - Albert Goodwill Spalding, 65, pitcher who led league in wins every season from 1871-1876, retiring at age 27 with 253 victories; also batted .313 lifetime, managed Chicago to 1876 pennant in NL's first season and guided team to three pennants as team president from 1882-1891; staged sport's first world tour in 1888
- September 23 - Brickyard Kennedy, 47, pitcher who won 20 games four times for Brooklyn, pitched in 1903 World Series for Pirates
- September 26 - Ed Cushman, 63, pitcher for 6 seasons, threw no-hitter on September 28, 1884.
- November 14 - Art McGovern, 33, Canadian catcher who played for the 1905 Boston Americans
- December 31 - Tip O'Neill, 57, Canadian left fielder for the St. Louis Browns who batted .326 lifetime, winning batting titles in 1887 and 1888
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