Le'Bryan Nash scored 19 points, Markel Brown had 14 points and eight rebounds and No. 24 Oklahoma State overcame a slow start to beat Central Arkansas 91-63 on Sunday.
The Cowboys (8-1) fell behind by 11 in the first 8 minutes of the game, but responded with 13 straight points to take the lead for good.
Phil Forte had 12 points and Michael Cobbins and Marcus Smart each scored 10 for Oklahoma State.
Jordan Harks tied his career high with 16 points and Jarvis Garner added 14 points for Central Arkansas (4-4). The Bears played with starting point guard LaQuentin Miles, their second-leading scorer, because of a broken hand.
The Cowboys racked up a 53-35 rebounding advantage and outscored the Bears 44-26 in the paint.