Shai Gilgeous-Alexander poured in 36 points and the Oklahoma City Thunder held off the NBA-leading Boston Celtics, 127-123 on Tuesday for their fifth straight win.

Josh Giddey had 23 points, eight rebounds and six assists for the Thunder, who have won eight of nine. During that stretch, they have beaten defending champion Denver twice, ended the Clippers’ nine-game win streak, beat West-leading Minnesota by 23 and now the Celtics.

Kristaps Porzingis scored 34 points and Jayson Tatum added 30 as Boston had a six-game winning streak snapped.

Oklahoma City opened a 108-90 lead in the fourth quarter, but the Celtics rallied to cut the deficit to 121-119.

Giddey hit a pair of free throws with 12.1 seconds left to put the Thunder up 4 before Porzingis hit a deep shot in the left corner with 3.7 seconds left to make it a two-point game.

Gilgeous-Alexander sealed the victory with a pair of free throws with 2.8 to play.

Embiid leads 76ers in return

Joel Embiid tallied 31 points, 15 rebounds and 10 assists in his return from a sprained right ankle to lift the Philadelphia 76ers to a 110-97 victory over the Chicago Bulls.

Embiid, who missed all four games on the 76ers’ holiday road trip, was 10 of 20 from the field and notched his seventh career triple-double in the third quarter. He extended his franchise records with 15 straight 30-point games and 14 consecutive games of 30 points and 10 rebounds.

Tyrese Maxey had 21 points and Kelly Oubre Jr. added 16 for the 76ers, who have won three straight and seven of eight at home.

DeMar DeRozan led the Bulls with 16 points and Andre Drummond had 11 with 17 rebounds.

Rozier helps Hornets snap 11-game skid

Terry Rozier scored 14 of his 34 points in the fourth quarter after missing a game due to illness as the Charlotte Hornets stopped an 11-game skid with a 111-104 win over the Sacramento Kings.

Rozier shot 13 of 24 from the field and handed out six assists, while Miles Bridges added 27 points for Charlotte, which played without rookie Brandon Miller (bruised left hip), LaMelo Ball (right ankle sprain), Gordon Hayward (left calf strain), Mark Williams (bruised lower back) and Frank Ntilikina (left tibia fracture).

De’Aaron Fox scored 30 points for Sacramento and Domantas Sabonis had 23 with 19 rebounds for his 15th straight double-double, tied for the NBA’s longest streak this season.