Shai Gilgeous-Alexander has scored a team-high 39 points, but missed a potential game-winning jumper at the overtime buzzer for Oklahoma City in Utah.

Fellow guard Josh Giddey had a double-double consisting of 18 points and 11 rebounds, along with three assists and two steals, in the Thunder's 120-119 NBA loss on Thursday night.

Australian Giddey shot just 8-of-23 from the field, including 0-of-5 from three-point range, in OKC's first game since the All-Star break.

Lauri Markkanen hit three free throws with 4.6 seconds left in OT to give the Jazz the lead and finished with 43 points and 10 rebounds.

The Finn scored 18 points in the fourth quarter, helping the hosts rally from a nine-point deficit early in the period. Walker Kessler tipped in a layup with 4.6 seconds remaining to force overtime.

Better news for Aussie Josh Green who had 11 points in the Mavericks' 142-116 thumping of San Antonio.

Luka Doncic scored 28 points and Kyrie Irving added 23 as the All-Star pair won for the first time together in Dallas.

The Mavs had a season high in points while stopping a three-game losing streak. The Spurs extended their franchise-record skid to 15 games with their 20th loss in 21 games.

In Indianapolis, Jayson Tatum scored 31 points, including the final four in the last minute of overtime, and Boston outlasted the Pacers 142-138.

Jaylen Brown added 30 points as the Celtics improved the NBA's best record to 43-17.

Denver remain one win behind thanks to their 115-107 triumph at the Cleveland Cavaliers.

Nikola Jokic had 24 points, 18 rebounds and 13 assists for his 13th triple-double in 16 games and his NBA-leading 22nd this season. The Nuggets improved to 22-0 when Jokic gets a triple-double.

In Philadelphia, Tobias Harris made the go-ahead three-pointer with 39 seconds left, James Harden scored 31 points, and Joel Embiid had 27 points and 19 rebounds to help the 76ers beat the Memphis Grizzlies 110-105.

Malik Beasley scored 25 points, Austin Reaves had 17 off the bench and the Lakers defeated the Golden State Warriors 124-111 in Los Angeles.

The home side had seven players in double figures in what ended up being quiet nights for LeBron James and Anthony Davis. James had 13 points, but was 5-of-20 from the floor, marking only the sixth time in his career he has shot 25 per cent or worse when attempting at least 20 shots.

James also had nine rebounds and eight assists, while Davis had 12 points and 12 rebounds.

Klay Thompson led the defending champions, who have dropped four of their last five, with 22 points.

Elsewhere, Toronto beat New Orleans 115-110, Sacramento thrashed Portland 133-116, and Orlando pipped Detroit 108-106.

With AP.