SAN ANTONIO — Russell Westbrook had 31 points and the Oklahoma City Thunder used a strong second quarter to beat the San Antonio Spurs 113-100 Saturday night for their ninth straight victory.
Reggie Jackson had 21 points, Kevin Durant added 17 and Serge Ibaka had 14 points and 14 rebounds for Oklahoma City.
Tony Parker scored 23 points, and Marco Belinelli and Tim Duncan had 17 points apiece for San Antonio, which took only its second home loss.
The Spurs had won six of seven entering Saturday's game, but couldn't stop the Thunder's backcourt.
Westbrook and Jackson were a combined 21 for 36 and handed out 12 assists.
Oklahoma City never trailed after Jackson's reverse layup put them up 21-19 with a minute remaining in the first quarter.
San Antonio was outscored 40-29 in a sloppy second quarter. The Spurs committed five turnovers while taking only 17 shots in the period, which was one less than the Thunder made.
The Spurs pulled within a pair of baskets on several occasions in the second half, but the Thunder responded with a small run each time.
Jackson was usually at the forefront of the runs, going 8 for 14.
NOTES: Parker (shin bruise) was questionable to play, but started and played 33 minutes. He had eight assists while shooting 6 for 14. . Entering Saturday's game, the Thunder were averaging 109.9 points during their eight-game winning streak and shooting 50.2 percent. . San Antonio coach Gregg Popovich was whistled for a technical foul after complaining to official Monty McCutchen about a non-call on Tiago Splitter's dunk attempt against Ibaka.