The Longhorns (17-3, 5-0 Big 12) wore the same orange "Remember the 10" T-shirts as Oklahoma State during warmups, then deployed the same stiff defense that has provided them a perfect start to conference play.
The Cowboys (14-6, 2-4) shot just 32 percent while being held to their lowest scoring output of the season and having a 13-game home winning streak snapped.
Marshall Moses had 14 points and 11 rebounds to lead Oklahoma State.