Williams will miss his third straight game with a knee injury.

Led by Jayson Tatum, Boston overcomes a 44-point, 20-rebound performance by Giannis Antetokounmpo and beats Milwaukee, 108-95.

Boston must win Friday night in Milwaukee, or its season will be over.

Boston blows a 14-point lead in the fourth quarter and must win Friday in Milwaukee to keep its season alive.

Trash talk from Giannis Antetokounmpo didn’t sit well with Boston’s Al Horford, who was dominant in the fourth quarter of the Celtics’ 116-108 win in Game 4.

Williams is out due to soreness in his surgically repaired left knee.

Tatum had just 10 points and three assists in Boston’s 103-101 loss to Milwaukee in Game 3.

Boston misses potential game-tying tip-in chances in the final seconds, Giannis Antetokounmpo scores 42 and Milwaukee beats the Celtics, 103-101.

Marcus Smart will return after missing Game 2, Jaylen Brown’s hamstring is better and Rob Williams continues his quick return from knee surgery.

Marcus Smart missed Game 2 with a bruised right thigh.