Seattle Seahawks pulled off the upset to defeat Pittsburgh Steelers. Seattle Seahawks entered the game as the underdog, with a 34% chance to win before the game started.
From the outset, Seattle Seahawks refused to go away, chipping away at Pittsburgh Steelers's lead until Seattle Seahawks took their first lead during the middle stretches of the game. Pittsburgh Steelers never recovered after losing the lead, and by the time the game ended, Seattle Seahawks had earned the upset.