Westbrook answered Dirk Nowitzki’s fourth 3-pointer of the final period by hitting one of his own from the right wing to get Oklahoma City within 91-90 with 2:25 remaining, and Dallas didn’t score again.
Serge Ibaka hit two free throws with 46 seconds left to give Oklahoma City the lead, and Jason Terry missed two shots down the stretch for the Mavericks.
Nowitzki finished with 27 points but didn’t touch the ball on a key possession when Dallas was down by two with 13 seconds left.
BULLS 92, PACERS 72
In Chicago, Luol Deng scored 20 points, teaming with Derrick Rose in a decisive third-quarter rally that sent Chicago to its seventh consecutive victory.
Rose added 13 points and nine assists, hitting three 3-pointers while Deng had two in the third as the Bulls blew open a close game.
Joakim Noah had 17 rebounds to lead the Bulls to a dominating 60-32 edge on the boards.
Paul George scored 21 points for Indiana.
BUCKS 97, 76ERS 93
In Milwaukee, Beno Udrih hit a go-ahead jumper with just under a minute left, and Milwaukee held off a late comeback to beat Philadelphia.
Brandon Jennings had 33 points and Drew Gooden added 25 points and 10 rebounds for the Bucks.
TIMBERWOLVES 95, CLIPPERS 94
In Minneapolis, Kevin Love had 39 points and 17 rebounds to carry Minnesota.
Darko Milicic had 13 points in a spot start for the injured Nikola Pekovic and Michael Beasley scored all nine of his points in the fourth quarter for the Wolves.
Blake Griffin had 26 points and 12 rebounds for the Clippers.
JAZZ 109, CAVALIERS 100
In Cleveland, Al Jefferson scored 25 points, Gordon Hayward added 23, and Utah beat Cleveland, sending the Cavaliers to their sixth consecutive loss.
Utah snapped a six-game road losing streaks.
MAGIC 92, RAPTORS 88
In Toronto, Dwight Howard had 36 points and 13 rebounds, Ryan Anderson added 19 points and 13 boards, and Orlando beat Toronto.
J.J. Redick scored 13 points, making a key 3 pointer in the final 10 seconds, and Jameer Nelson had 11 for the Magic, who have won five of seven and nine of 12.
WARRIORS 120, WIZARDS 100
In Washington, Monta Ellis scored 25 points and Klay Thompson added 18 to lead Golden State to a rout of Washington.
David Lee had 13 points and 10 rebounds for Golden State.