Boston Red Sox Franchise History

8 World Series championship seasons: 1903, 1912, 1915, 1916, 1918, 2004, 2007, 2013
Last World Series championship: 2013, 3 seasons ago
 
Boston Americans became Boston Red Sox in 1908
 
Best finish:
beat Pittsburgh in World Series in 1903 season
beat NY Giants in World Series in 1912 season
beat Philadelphia in World Series in 1915 season
beat Brooklyn in World Series in 1916 season
beat Chi Cubs in World Series in 1918 season
beat St Louis in World Series in 2004 season
beat Colorado in World Series in 2007 season
beat St Louis in World Series in 2013 season