Washington Nationals pulled off the upset to defeat St. Louis Cardinals. Washington Nationals entered the game as the underdog, with a 41% chance to win before the game started.
From the outset, Washington Nationals refused to go away, chipping away at St. Louis Cardinals's lead until Washington Nationals 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, Washington Nationals had earned the upset.