Tatum, who played the entire second half, had 37 points and 14 rebounds and was serenaded with “MVP” chants when he put the game away at the free throw line in the final seconds.

Boston got supporting help for Tatum and Brown. Now Orlando must do the same for Paolo Banchero and Franz Wagner.

ORLANDO -- The Celtics will be down just one starter for Sunday’s Game 4 first round matchup against the Magic. The team upgraded Jaylen Brown to available about an hour before opening tip. He was listed as questionable with a right knee posterior impingement for the second straight game.