1915 in baseball
Champions
- World Series: Boston Red Sox over Philadelphia Phillies (4-1)
Awards and honors
Statistical Leaders
| American League | National League | Federal League | ||||
| AVG | Ty Cobb DET | .369 | Larry Doyle NYG | .320 | Benny Kauff IND | .342 |
| HR | Braggo Roth BOS | 7 | Gavvy Cravath PHI | 24 | Hal Chase BUF | 17 |
| RBIs | Sam Crawford DET & Bobby Veach |
112 | Gavvy Cravath PHI | 115 | Dutch Zwilling CHI | 94 |
| Wins | Walter Johnson WSH | 27 | Grover Alexander PHI | 31 | George McConnell CHI | 25 |
| ERA | Joe Wood BOS | 1.49 | Grover Alexander PHI | 1.22 | Earl Moseley NEW | 1.91 |
| Ks | Walter Johnson WSH | 203 | Grover Alexander PHI | 241 | Dave Davenport SLM | 229 |
Major League Baseball final standings
American League final standings
| American League | ||||
| Club | Wins | Losses | Win % | GB |
| Boston Red Sox | 101 | 50 | .669 | -- |
| Detroit Tigers | 100 | 54 | .649 | 2.5 |
| Chicago White Sox | 93 | 61 | .604 | 9.5 |
| Washington Senators | 85 | 68 | .556 | 17 |
| New York Yankees | 69 | 83 | .454 | 32.5 |
| St. Louis Browns | 63 | 91 | .409 | 39.5 |
| Cleveland Indians | 57 | 95 | .375 | 44.5 |
| Philadelphia Athletics | 43 | 109 | .283 | 58.5 |
National League final standings
| National League | ||||
| Club | Wins | Losses | Win % | GB |
| Philadelphia Phillies | 90 | 62 | .592 | -- |
| Boston Braves | 83 | 69 | .546 | 7 |
| Brooklyn Robins | 80 | 72 | .526 | 10 |
| Chicago Cubs | 73 | 80 | .477 | 17.5 |
| Pittsburgh Pirates | 73 | 81 | .474 | 18 |
| St. Louis Cardinals | 72 | 81 | .471 | 18.5 |
| Cincinnati Reds | 71 | 83 | .461 | 20 |
| New York Giants | 69 | 83 | .454 | 21 |
Federal League final standings
| Federal League | ||||
| Club | Wins | Losses | Win % | GB |
| Chicago Whales | 86 | 66 | .566 | -- |
| St. Louis Terriers | 87 | 67 | .565 | -- |
| Pittsburgh Rebels | 86 | 67 | .562 | .5 |
| Kansas City Packers | 81 | 72 | .529 | 5.5 |
| Newark Peppers | 80 | 72 | .526 | 6 |
| Buffalo Buffeds | 74 | 78 | .487 | 12 |
| Brooklyn Tip-Tops | 70 | 82 | .461 | 16 |
| Baltimore Terrapins | 47 | 107 | .305 | 40 |
Events
Births
- January 8 - Walker Cooper
- February 18 - Joe Gordon
- February 26 - Preacher Roe
- April 1 - Jeff Heath
- April 2 - Al Barlick
- June 26 - Willard Brown
- June 29 - Dizzy Trout
- August 4 - Luke Easter
- August 27 - Emil Verban
- October 12 - Lou Novikoff
- November 11 - George Case
Deaths
- 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
- September 9 - Albert 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
- 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