The 1915 Major League Baseball season was contested from April 10 to October 13, 1915. The Philadelphia Phillies and Boston Red Sox were the regular season champions of the National League and American League, respectively. The Red Sox then defeated the Phillies in the World Series, four games to one.

Statistical leaders

	American League		National League
Type	Name	Stat	Name	Stat
AVG	Ty Cobb DET	.369	Larry Doyle NYG	.320
HR	Braggo Roth CHW & CLE	7	Gavvy Cravath PHP	24
RBI	Bobby Veach DET Sam Crawford DET	112	Gavvy Cravath PHP	115
Wins	Walter Johnson WSH	27	Pete Alexander PHP	31
ERA	Smoky Joe Wood BSR	1.49	Pete Alexander PHP	1.22
SO	Walter Johnson WSH	203	Pete Alexander PHP	241
SV	Carl Mays BSR	7	Tom Hughes BSB	9
SB	Ty Cobb DET	96	Max Carey PIT	36

Standings

v t e American League	W	L	Pct.	GB	Home	Road
Boston Red Sox	101	50	0.669	—	55–20	46–30
Detroit Tigers	100	54	0.649	2½	51–26	49–28
Chicago White Sox	93	61	0.604	9½	54–24	39–37
Washington Senators	85	68	0.556	17	50–29	35–39
New York Yankees	69	83	0.454	32½	37–43	32–40
St. Louis Browns	63	91	0.409	39½	35–38	28–53
Cleveland Indians	57	95	0.375	44½	27–50	30–45
Philadelphia Athletics	43	109	0.283	58½	19–53	24–56

v t e National League	W	L	Pct.	GB	Home	Road
Philadelphia Phillies	90	62	0.592	—	49–27	41–35
Boston Braves	83	69	0.546	7	49–27	34–42
Brooklyn Robins	80	72	0.526	10	51–26	29–46
Chicago Cubs	73	80	0.477	17½	42–34	31–46
Pittsburgh Pirates	73	81	0.474	18	40–37	33–44
St. Louis Cardinals	72	81	0.471	18½	42–36	30–45
Cincinnati Reds	71	83	0.461	20	39–37	32–46
New York Giants	69	83	0.454	21	37–38	32–45

v t e Federal League	W	L	Pct.	GB	Home	Road
Chicago Whales	86	66	0.566	—	44–32	42–34
St. Louis Terriers	87	67	0.565	—	43–34	44–33
Pittsburgh Rebels	86	67	0.562	½	45–31	41–36
Kansas City Packers	81	72	0.529	5½	46–31	35–41
Newark Peppers	80	72	0.526	6	40–39	40–33
Buffalo Blues	74	78	0.487	12	37–40	37–38
Brooklyn Tip-Tops	70	82	0.461	16	34–40	36–42
Baltimore Terrapins	47	107	0.305	40	24–51	23–56

Team	Manager	Comments
Baltimore Terrapins	Otto Knabe
Brooklyn Tip-Tops	Lee Magee and John Ganzel
Buffalo Buffeds	Larry Schlafly, Walter Blair and Harry Lord
Chicago Federals	Joe Tinker
Indianapolis Hoosiers	George Stovall
Kansas City Packers	Bill Phillips and Bill McKechnie
Pittsburgh Rebels	Rebel Oakes
St. Louis Terriers	Fielder Jones

May 6 – Babe Ruth of the Boston Red Sox hits the first of his career 714 home runs.^[1]

1915 MLB season by team

1915 MLB season by team
American League	Boston Chicago Cleveland Detroit New York Philadelphia St. Louis Washington
National League	Boston Brooklyn Chicago Cincinnati New York Philadelphia Pittsburgh St. Louis
Federal League	Baltimore Brooklyn Buffalo Chicago Kansas City Newark Pittsburgh St. Louis
1915 World Series

Major League Baseball seasons

Pre-modern era

Modern era