Pascal Siakam scored the last of his 29 points on a 3-pointer with 6.1 seconds left in overtime to give the Indiana Pacers a 135-132 victory over the previously unbeaten Boston Celtics on Wednesday night.

Siakam tied his single-game career high with six 3s and grabbed 11 rebounds. Bennedict Mathurin scored 21 of his 30 points in the second half, and Tyrese Haliburton had 17 points and 12 assists.

Boston charged back from a 19-point fourth-quarter deficit to force overtime and led 132-130 after Derrick White’s layup with 39.7 seconds to go. But Indiana scored the final five points to win.

KNICKS 116, HEAT 107: Karl-Anthony Towns had 44 points and 12 rebounds, Jalen Brunson scored 18 of his 22 points in the second half and New York rallied to beat Miami.

PISTONS 105, 76ERS 95: Tobias Harris had 18 points and 14 rebounds in his Philadelphia return and Detroit won for the first time in five games this season, beating Philadelphia.

THUNDER 105, SPURS 93: Lu Dort scored 20 points, Chet Holmgren added 19 and Oklahoma City defeated San Antonio to remain the only unbeaten team in the Western Conference.

WARRIORS 104, PELICANS 89: Buddy Hield scored 21 points, Trayce Jackson-Davis had 15 points and nine rebounds, and Golden State beat New Orleans for the second straight night. Golden State again received contributions from throughout its deep roster as Stephen Curry missed his second straight game with a left ankle injury.

HORNETS 138, RAPTORS 133: Tre Mann scored 27 points off the bench, Nick Richards had 24 points and 14 rebounds and Charlotte defeated Toronto for its first home win of the season.

WIZARDS 133, HAWKS 120: Bilal Coulibaly scored a career-high 27 points, and Washington beat Atlanta for its second win over the Hawks in three days. Trae Young had 35 points and 15 assists for Atlanta, but Washington took control with a 16-4 run at the start of the fourth quarter.

BULLS 102, MAGIC 99: Coby White scored 21 points, Josh Giddey added 20 and Chicago beat Orlando. Nikola Vucevic added 18 points and 14 rebounds in Chicago’s second straight win.

NETS 119, GRIZZLIES 106: Dennis Schroder had 33 points and eight assists, Cam Thomas added 19 points and Brooklyn beat Memphis.

ALSO: Toronto Raptors forward Scottie Barnes will miss at least three weeks because of a right orbital fracture, the team said. Barnes was struck by Denver’s Nikola Jokic while battling for a rebound late in the fourth quarter of Monday’s home loss to the Nuggets. Barnes went down before stumbling to the bench in pain. ... A Pennsylvania man pleaded guilty in a sports betting scheme that ended Toronto Raptors forward Jontay Porter’s NBA career. With Mahmud Mollah’s plea Wednesday, three people — including Porter — have now publicly admitted their roles in the scandal. It worked like this: The player withdrew early from games so that tipped-off gamblers could win wagers that he would score fewer points than sportsbooks expected.