Al Horford is called for his 5th personal foul with replaysThe Celtics' challenge was not successful

Thad Young meets Al Horford at the rim

Derrick White blocks Karl-Anthony Towns and Al Horford dunks it at the other end off an assist by Jayson Tatum The Celtics are up 20 points now Knicks timeout

Jaylen Brown sends the game to overtime for the Celtics with a huge bucket

Jaren Jackson Jr goes down hard after fouling Hayes