The 1943 Boston Red Sox season was the 43rd season in the franchise's Major League Baseball history. The Red Sox finished seventh in the American League (AL) with a record of 68 wins and 84 losses, 29 games behind the New York Yankees, who went on to win the 1943 World Series. The Red Sox set a major league record, which still stands, by playing in 31 extra innings games. In those games, the Red Sox compiled a record of 15 wins and 14 losses, with two ties. They played 73 extra innings in total, equivalent to playing an additional eight 9-inning games.