Keys to the Game: Celtics 119, Hawks 110

Key MomentThere’s really no debate here. Al Horford hit a game-winning, fadeaway jumper at the buzzer Sunday afternoon to give the Celtics a 97-96 win over the visiting Portland Trail Blazers.

Boston took possession of the ball with 7.2 seconds left after Damian Lillard converted on a three-point play to give Portland a one-point lead. Brad Stevens called for a timeout, and after that timeout, the Trail Blazers used their foul to give with exactly four seconds left in the game.

The Celts then needed to run a backup play, which Stevens later revealed they had planned with the expectation that Portland would use its foul to give. The play called for an inbound pass to Horford, followed by the…