The Celtics defeated the Cavaliers 109-102 in Game 4 without Donovan Mitchell and Jarrett Allen, taking a 3-1 series lead with solid performances by Tatum, Brown, and Holiday. A close game, the Cavs' hot 3-point shooting in the first half wasn't enough as Celtics dominated the third quarter. LeBron James made an appearance in the Cleveland arena for Game 4.