Paul Pierce scored 23 points and Ray Allen hit the go-ahead basket as the Boston Celtics notched an 89-83 victory over the host Milwaukee Bucks on Sunday.

Nenad Krstic added 17 points on 7-of-8 shooting for Boston (46-15).

Brandon Jennings scored 23 points and Luc Richard Mbah a Moute added a season-high 19 points for Milwaukee (23-38).

The game was tied at 82-82 before Allen hit the tiebreaking basket with 2:35 to play. Kevin Garnett hit a turnaround jumper with 38.5 seconds left to give Boston a four-point lead.

A three-point play by Pierce gave the Celtics a six-point lead with 17.9 seconds remaining.

Garnett had 14 points and 11 rebounds and Allen scored 13 points for Boston.

The Celtics led 72-65 after Sasha Pavlovic’s 3-pointer with 10:19 remaining in the game. But Milwaukee went on a 12-5 run and tied the score at 77-77 on Jennings’ 3-point play with 5:57 left.

Milwaukee led by as many as 10 points in the first half with Keyon Dooling’s 18-footer jumper capping a 17-4 run to give the Bucks a 41-31 lead with 4:52 left.