Xzayvier Brown scored 21 points — 14 in the second half — to lead Oklahoma to an 85-76 win over Oklahoma State on Saturday in Oklahoma City.
The loss was the first of the season for the Cowboys (9-1).
The Sooners have won five of their last six.
Nijel Pack added 18 points for Oklahoma (7-3), and Tae Davis had 10 rebounds to help the Sooners outpace Oklahoma State 46-36 on the glass. Brown also had five assists.
About five minutes into the game, Oklahoma’s Mohamed Wague was called for a flagrant 1 foul after elbowing Vyctorius Miller near the throat.
The Sooners led by nine early in the second half as the Cowboys went more than four minutes without a field goal coming out of the break.
Oklahoma State missed nine consecutive shots stretching back to the first half.
But then Oklahoma went cold offensively, missing 10 of its next 11 as the Cowboys charged back to take the lead with a 14-4 run highlighted on Christian Coleman’s dunk with 12:13 remaining.
The Oklahoma State run was helped by a second flagrant foul on Wague that sent Coleman to the line just before his dunk.
After a second Coleman dunk put the Cowboys up 53-51. The Sooners returned to life offensively, with a 19-8 run to go back up by nine.
Brown got the run started, then wrapped it up with five consecutive points including a 3-pointer to put the Sooners up 70-61.
Oklahoma was 11 of 16 from the field over the final 11 minutes.
Kanye Clary led Oklahoma State with 18 points, while Coleman added 17 and Anthony Roy 16.
Clary scored 14 in the second half.
The Sooners led by as many as eight in the first half, initially gaining control with an 8-0 run highlighted by back-to-back 3-pointers from Pack.
Oklahoma led by six at the break, holding the Cowboys to just 35 points before the break — their lowest in a first half this season.
