Colorado Rockies pulled off the upset to defeat Chicago Cubs. Colorado Rockies entered the game as the underdog, with a 38% chance to win before the game started.
From the outset, Colorado Rockies refused to go away, chipping away at Chicago Cubs's lead until Colorado Rockies took their first lead toward the end of the game. Chicago Cubs did not go quietly, recapturing the lead for themselves, until Colorado Rockies regained control for good at the end of the game.