Westbrook scored 34 points, but the Thunder beat the Houston Rockets 113-92 on Thursday night.
Danilo Gallinari led the Thunder with 23 points and 11 rebounds and Shai Gilgeous-Alexander added 20 points. Walker, who scored 26 points on 10-for-20 shooting, tried to shake it off but left for the locker room shortly before the Celtics took a 55-48 lead into halftime.
TIMBERWOLVES 116, TRAIL BLAZERS 102
MINNEAPOLIS – Andrew Wiggins scored 23 points, Gorgui Dieng had 12 points and 10 rebounds and Minnesota beat Portland,
The Timberwolves held Portland to 13 points on 6-of-22 shooting in the second quarter, the fewest points the Blazers have scored in a quarter this year.