Washington Nationals pulled off the upset to defeat New York Yankees. Washington Nationals entered the game as the underdog, with a 37% chance to win before the game started.
From the outset, Washington Nationals refused to go away, chipping away at New York Yankees's lead until Washington Nationals took their first lead toward the end of the game. New York Yankees never recovered after losing the lead, and by the time the game ended, Washington Nationals had earned the upset.