1906 Major League Baseball season

1906 MLB season
LeagueAmerican League (AL)
National League (NL)
SportBaseball
DurationRegular season:
  • April 14 – October 7, 1906 (AL)
  • April 12 – October 7, 1906 (NL)
World Series:
  • October 9 – October 13, 1906
Number of games154
Number of teams16 (8 per league)
Pennant Winners
AL championsChicago White Sox
  AL runners-upNew York Highlanders
NL championsChicago Cubs
  NL runners-upNew York Giants
World Series
ChampionsChicago White Sox
  Runners-upChicago Cubs
MLB seasons
Locations of teams for the 1904–1907 American League seasons
American League

The 1906 major league baseball season began on April 12, 1906. The regular season ended on October 7, with the Chicago Cubs and Chicago White Sox as regular season champions of the National League and American League, respectively. The postseason began with Game 1 of the third modern World Series on October 9 and ended with Game 6 on October 14. The White Sox defeated the Cubs, four games to two.