The Boston Red Sox have won eight World Series titles as of March 2014. The title years are 1903, 1912, 1915, 1916, 1918, 2004, 2007 and 2013.
The Boston Red Sox currently rank in third place for the highest number of World Series wins. The St. Louis Cardinals have 11 wins, and the New York Yankees have 27 wins.
In 2013, the Red Sox won the best-of-seven series against the St. Louis Cardinals with four wins in six games. During the 2007 World Series, Boston won with four wins in four games against the Colorado Rockies. In 2004, Boston was also pitted against St. Louis and won with four wins in four games, capturing its first World Series title since 1918.