The Rays–Red Sox rivalry is a Major League Baseball (MLB) rivalry between the Tampa Bay Rays and Boston Red Sox clubs. The rivalry intensified in 2008, after the two clubs had their first postseason meeting in the ALCS. Since then, both teams have won the American League (AL) East division a combined seven times in the past 13 years. While the rivalry is more recent than the storied Yankees–Red Sox rivalry, it has been called one of the most competitive in modern baseball.