NY Mets pulled off the upset to defeat San Francisco. NY Mets entered the game as the underdog, with a 45% chance to win before the game started.
From the outset, NY Mets refused to go away, chipping away at San Francisco's lead until NY Mets took their first lead at the end of the game. San Francisco never recovered after losing the lead, and by the time the game ended, NY Mets had earned the upset.