Boston Red Sox have won 9 championships!
Boston Red Sox won championships in:
1903 (Boston Americans), 1912, 1915, 1916, 1918, 2004, 2007, 2013, 2018
| How Many Rings | 9 |
| Team Name | Boston Red Sox |
| Year Founded | 1901 |
| Years Won | 1903 (Boston Americans), 1912, 1915, 1916, 1918, 2004, 2007, 2013, 2018 |
| Previous Team Names | Boston Americans (1901–1907) |