While Anthony sprained his right ankle in the first quarter of Tuesday's game in Oakland, Westbrook was listed as questionable for the game after a practice session on Wednesday at the Staples Center.
Brandon Ingram scored 26 points for the Lakers as he continued to handle point guard duties while Lonzo Ball sat out his 11th straight game with a knee injury.
Kentavious Caldwell-Pope scored 20 points, and the balanced Lakers defeated the short-handed Oklahoma City Thunder 106-81 on Thursday night.
By the time coach Luke Walton entered the locker room at halftime, his Lakers players were already talking about how to defend better over the next 24 minutes.
"We have a core of guys that if we all stick together and grow can be really special", Kuzma said.
Westbrook had 34 points, nine rebounds and nine assists against Golden State, and forward Paul George had 38 points and six steals. The Lakers were also shorthanded via the trade of guard Jordan Clarkson and forward Larry Nance Jr.to the Cleveland Cavaliers for guard Isaiah Thomas and forward Channing Frye prior to Thursday's trading deadline.
The Lakers (22-31) beat the Thunder 108-104 in Oklahoma City on Sunday, the middle game in their current three-game winning streak.
Oklahoma City would trail the rest of the way and fell behind by as many as 27 points.
"With as hard as it was to put the ball in the basket, we kept trying to battle and fight defensively and did some good things", Thunder coach Billy Donovan said.
Two Thunder starters did not score, with Patrick Patterson going 0-for-6 from the field and missing five 3-pointers. Westbrook had 36 points and nine assists in the loss, and Anthony had 10 points and 13 rebounds. Los Angeles Lakers vs Oklahoma City Thunder live streaming, Lakers vs Thunder live streaming and Lakers live streaming info follows. "I'm happy with playing with Russ, happy with playing with Melo, and this organization".