Washington Nationals pulled off the upset to defeat Houston Astros. Washington Nationals entered the game as the underdog, with a 36% chance to win before the game started.
From the outset, Washington Nationals refused to go away, chipping away at Houston Astros's lead until Washington Nationals took their first lead toward the end of the game. Houston Astros did not go quietly, recapturing the lead for themselves, until Washington Nationals regained control for good at the end of the game.