Arizona Diamondbacks pulled off the upset to defeat St. Louis Cardinals. Arizona Diamondbacks entered the game as the underdog, with a 44% chance to win before the game started.
From the outset, Arizona Diamondbacks refused to go away, chipping away at St. Louis Cardinals's lead until Arizona Diamondbacks took their first lead during the middle stretches of the game. St. Louis Cardinals never recovered after losing the lead, and by the time the game ended, Arizona Diamondbacks had earned the upset.