Pittsburgh Pirates pulled off the upset to defeat San Francisco Giants. Pittsburgh Pirates entered the game as the underdog, with a 37% chance to win before the game started.
From the outset, Pittsburgh Pirates refused to go away, chipping away at San Francisco Giants's lead until Pittsburgh Pirates took their first lead during the middle stretches of the game. San Francisco Giants did not go quietly, recapturing the lead for themselves, until Pittsburgh Pirates regained control for good toward the end of the game.