Seattle Mariners pulled off the upset to defeat San Diego Padres. Seattle Mariners entered the game as the underdog, with a 36% chance to win before the game started.
From the outset, Seattle Mariners refused to go away, chipping away at San Diego Padres's lead until Seattle Mariners 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, Seattle Mariners had earned the upset.