| 1908 MLB season | |
|---|---|
| League | American League (AL) National League (NL) |
| Sport | Baseball |
| Duration | Regular season:
|
| Number of games | 154 |
| Number of teams | 16 (8 per league) |
| Pennant winners | |
| AL champions | Detroit Tigers |
| AL runners-up | Cleveland Naps |
| NL champions | Chicago Cubs |
| NL runners-up | New York Giants |
| World Series | |
| Champions | Chicago Cubs |
| Runners-up | Detroit Tigers |
The 1908 major league baseball season began on April 14, 1908. The regular season ended on October 8, with the Chicago Cubs and Detroit Tigers as regular season champions of the National League and American League, respectively. In a rematch of the prior year's postseason, the postseason began with Game 1 of the fifth modern World Series on October 10 and ended with Game 5 on October 14. The Cubs defeated the Tigers, four games to one.
The Boston Americans renamed as the Boston Red Sox.