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