Le\'Bryan Nash sparked No. 23 Oklahoma State to a third straight victory Sunday with 19 points in the Cowboys\' 91-63 decision over Central Arkansas. Markel Brown (14 points, eight rebounds), Phil Forte (12 points) and Michael Cobbins (10, eight boards) also turned in strong games for Oklahoma State (8-1). Marcus Smart helped out with 10 points and seven assists for the Cowboys. Central Arkansas (4-4) got 16 points from Jordan Harks.