BOSTON — Until Sunday, the Oklahoma City Thunder hadn’t had to worry about figuring out how to play without leading scorer Shai Gilgeous-Alexander.

It turns out they do just fine.

Dennis Schroder stripped the ball from Kemba Walker and scored on a layup with 8.5 seconds to help the Thunder rally to beat the Boston Celtics, 105-104.

With Gilgeous-Alexander sitting for the first time this season because of a hip bruise that he suffered in a win at New York on Friday, Chris Paul had 28 points and seven assists to help Oklahoma City overcome an 18-point first-half deficit. Schroder added 27 points and six assists as the Thunder won their third straight.

Boston had one more chance to win the game, but Jayson Tatum was short on a fadeaway.

The Celtics have lost four straight at home for the first time since 2015.

Gordon Hayward led the Celtics with 24 points. Marcus Smart added 19 points and 10 rebounds, and Tatum also finished with 19 points.

“That’s how the NBA works,” Hayward said. “You go through these runs and stretches where you’re feeling really good about yourself, and then it’s like the world’s coming to an end, too. … This is low for us. We’ve got to try to build ourselves up, pry ourselves back out of it.”

Boston took a 100-99 lead with less than four minutes to play when Smart found Tatum with a no-look, behind-the-back pass for a layup.

Paul was fouled by Smart a few trips later and hit a pair of free throws to put Oklahoma City back in front.

Smart lost the ball on a drive to the basket on Boston’s next trip and Paul extended the Thunder’s lead to 103-100.

Daniel Theis got a dunk out of a Boston’s timeout. Smart then kept alive a loose ball on the Thunder’s next possession to help start a fast break. It ended up in the hands of Tatum for a layup to put Boston up 104-103.

The Thunder have been one of the hottest teams in the NBA since Christmas, playing themselves into the middle of a crowded fight for playoff seeding in the Western Conference.

Boston entered the day looking to get back on track after a rash of injuries. Hayward returned after a two-game absence because of a right knee bruise. But Jaylen Brown missed his third straight game because of a right hamstring strain.

“Most of our good teams go through stretches like this, and usually two or three a year,” Celtics Coach Brad Stevens said. “This is our second one. Hopefully we can nip that in the bud and not have a third one.”

Oklahoma City handled Gilgeous-Alexander’s absence well early, leading by as many as eight.

But its defense fell apart during a big second-quarter run by Boston. The Celtics built a 63-45 lead late in the quarter, but got sloppy over the final 1:08 of the half as Oklahoma City closed with a 7-0 run to stay within striking distance.

“This team is special, you know? We just never, never give up,” Schroder said. “I think everybody’s playing together. When we’re playing together, we’re playing on a high level.”

TIP-INS

Thunder: Oklahoma City’s bench outscored the Celtics 41-17.

Celtics: Tatum was whistled for a technical by referee Eric Lewis with 7:07 left after he slammed the ball to the ground in response to being called for an offensive foul. … Robert Williams briefly went to the locker room early in the fourth quarter after landing awkwardly while battling for a rebound. … Boston outscored the Thunder 37-23 in the second quarter, going 6 of 11 from the 3-point line.

LOAD MANAGEMENT

Thunder Coach Billy Donovan said he is mindful of managing the usage of Gilgeous-Alexander, who ranks 11th in the NBA in minutes per game (35.1). He played in all 82 games as a rookie last season.

“There’s been some games where I think I probably could’ve done a better job with him. I think here of late, his minutes have been somewhat reasonable,” Donovan said. “We’ve had some games against some tough opponents where his minutes have gotten up around 38, 39, which in my opinion is too much for him. … So I’m definitely mindful of where he’s at.”

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