George set an Oklahoma City playoff record with eight 3-pointers, blowing past the previous record of five. He made eight of 11 shots from long range, and 13 of 20 shots overall. It was his first playoff game with the Thunder since being acquired in a trade with the Indiana Pacers in the offseason.
Jazz rookie Donovan Mitchell had 27 points and 10 rebounds, but he left in the second half with left foot soreness. He returned in the fourth quarter but was noticeably hobbling.
Rudy Gobert scored 14 points, and Joe Ingles and Jae Crowder each added 13 for the Jazz.
The Thunder recovered from a 16-4 deficit to tie it at 25 at the end of the first quarter. Oklahoma City led 54-48 at halftime behind 20 points from George and 14 from Westbrook.
George hit his seventh 3-pointer to push Oklahoma Citys lead to 79-66. George hit a deep 2-pointer to close the quarter and give the Thunder an 81-72 lead.
Alex Abrines hit two 3-pointers early in the fourth quarter to give Oklahoma City a 92-80 lead and force Utah to call timeout. The Thunder held off a surge in the final minute.
Jazz: Mitchell made his first four shots, but just one of six the rest of the first half. … Made just eight of 22 shots in the second quarter.
Thunder: G Corey Brewer, who was questionable with a right knee sprain, started. … Anthony scored his 1,700th playoff point. … Oklahoma City made its first 17 free throws and didnt miss one until the final minute.
Game 2 will be Wednesday night in Oklahoma City.
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