Pascal Siakam, Pacers work OT to hand Celtics first loss

Pascal Siakam made a 3-pointer with 7.3 seconds remaining in overtime to help the Indiana Pacers defeat the Boston Celtics 135-132 on Wednesday night in Indianapolis.

Jaylen Brown missed a 3-point attempt that would have tied the game on Boston’s final possession.

Siakam had 29 points, 11 rebounds and five assists. Teammate Bennedict Mathurin came off the bench to score a team-high 30 points and grab 11 rebounds as Indiana ended a three-game losing streak.

Boston was down by 24 with 3:35 left in the third quarter and trailed by 21 with 8:55 remaining but tied the game on Jayson Tatum’s 3-pointer with 14.4 seconds to play.

Tatum scored a game-high 37 points but was 5 of 18 on 3-point attempts. The Celtics received 25 points from Brown and 23 from Derrick White. Brown was 1 of 11 from long range.

The Celtics shot 40.4 percent from the field, including 33.3 percent (19 of 57) on 3-point tries. It was Boston’s first loss in five games this season.

Tyrese Haliburton had 17 points and 12 assists for Indiana, which outscored Boston 11-8 in overtime.

The Celtics trailed by eight late in the first quarter, but White made a 3-pointer at the buzzer to trim Indiana’s lead to 35-31.

Indiana’s lead in the first half peaked at 13 points, and the Pacers were ahead 67-57 at halftime. Boston shot 37.3 percent (19 of 51) from the field in the half, while Siakam was scoring 17 points.

Boston trailed 100-86 entering the fourth quarter.