AUSTIN, Texas (AP) -- Marcus Smart scored 23 points and No. 22 Oklahoma State cruised past struggling Texas 72-59 on Saturday, the Cowboys' fifth straight win.

Markel Brown added 17 points for the Cowboys (17-5, 7-3 Big 12), who struggled offensively for long stretches but used their own tough defense to clamp down on the Longhorns.

The Cowboys shot 38 percent from the field, but Smart found enough room inside and out to carry the Cowboys past a Texas team struggling through its worst season in 15 years under coach Rick Barnes. Smart was 3 of 6 from 3-point range.

Ioannis Papapetrou scored 15 points to lead Texas (10-13, 2-8).

Saturday marked the end of the 23-game NCAA suspension for Texas guard Myck Kabongo, who is expected to play the rest of the season.