Cleveland Guardians pulled off the upset to defeat Boston Red Sox. Cleveland Guardians entered the game as the underdog, with a 41% chance to win before the game started.
From the outset, Cleveland Guardians refused to go away, chipping away at Boston Red Sox's lead until Cleveland Guardians took their first lead during the middle stretches of the game. Boston Red Sox never recovered after losing the lead, and by the time the game ended, Cleveland Guardians had earned the upset.