Chicago Cubs pulled off the upset to defeat Miami Marlins. Chicago Cubs entered the game as the underdog, with a 39% chance to win before the game started.
From the outset, Chicago Cubs refused to go away, chipping away at Miami Marlins's lead until Chicago Cubs took their first lead toward the end of the game. Miami Marlins never recovered after losing the lead, and by the time the game ended, Chicago Cubs had earned the upset.