Boston Celtics pulled off the upset to defeat Dallas Mavericks. Boston Celtics entered the game as the underdog, with a 43% chance to win before the game started.
From the outset, Boston Celtics refused to go away, chipping away at Dallas Mavericks's lead until Boston Celtics took their first lead during the middle stretches of the game. Dallas Mavericks never recovered after losing the lead, and by the time the game ended, Boston Celtics had earned the upset.