Boston Red Sox pulled off the upset to defeat Cincinnati Reds. Boston Red Sox entered the game as the underdog, with a 40% chance to win before the game started.
From the outset, Boston Red Sox refused to go away, chipping away at Cincinnati Reds's lead until Boston Red Sox took their first lead during the middle stretches of the game. Cincinnati Reds never recovered after losing the lead, and by the time the game ended, Boston Red Sox had earned the upset.