 A year later , the Red Sox entered the final series of the season at Yankee Stadium needing only one win over the Yankees to advance to the World Series . The Red Sox found themselves up by one game with two games left against the Yankees at Yankee Stadium . The Sox lost 5 – 3 on the last day of the season after falling 5 – 4 the previous day , resulting in the Yankees winning their 16th American League pennant . The Yankees went on to defeat the Brooklyn Dodgers in the 1949 World Series for their 12th World Championship . 
