Celtics 109, 76ers 101: Avery Bradley scored 14 of his season-high 22 points in the first half as Boston knocked off host Philadelphia.

Bradley finished 10-for-15 from the floor, making six consecutive shots at one point. Paul Pierce made all four of his 3-point tries en route to 18 points, and Kevin Garnett also scored 18.

Thaddeus Young led seven players in double figures with 19 points for the 76ers. Jrue Holiday finished with 18 points and recorded nine of his 10 assists in the first half.

The Sixers had an early 19-13 lead before Bradley's layup started a 13-0 burst that gave Boston the lead for good. He scored 24 seconds into the second half and gave the Celtics their first double-digit advantage at 59-48 with an 18-footer with 9:52 left in the third.

Philadelphia scored the final eight points of the quarter to get within five points but Boston had the first nine in the fourth, taking an 88-74 lead on Garnett's layup with 9:26 left. The Sixers never got closer than five down the stretch.

GAME NOTEBOOK: The teams split four meetings this season. The Sixers have not won the season series since 2006-07. ... Boston, which plays at Indiana on Wednesday, moved to within one game of sixth-place Atlanta in the Eastern Conference standings. ... The Celtics survived a season-high 22 turnovers by shooting 11-of-19 from beyond the arc and making 14 of 16 free throws.