Pittsburgh Pirates pulled off the upset to defeat San Diego Padres. Pittsburgh Pirates entered the game as the decided underdog, with a 30% chance to win before the game started.
From the outset, Pittsburgh Pirates refused to go away, chipping away at San Diego Padres's lead until Pittsburgh Pirates took their first lead during the middle stretches of the game. San Diego Padres never recovered after losing the lead, and by the time the game ended, Pittsburgh Pirates had earned the upset.