Marcus Smart scored 20 points to help No. 9 Oklahoma State defeat TCU 82-50 on Wednesday night.
Smart, the reigning Big 12 player of the week, also had eight rebounds and five assists for the Cowboys (15-2, 3-1 Big 12).
Markel Brown scored 14 points and Le'Bryan Nash added 13 points and eight rebounds for Oklahoma State, which needed to win to stay within range of Big 12 leader Kansas. The 15th-ranked Jayhawks (4-0 Big 12) host the Cowboys on Saturday.
Oklahoma State shot 47 percent from the field to win for the eighth time in nine games and improve to 9-0 at home.
Karviar Shepherd scored 13 points and Amric Fields and Michael Williams each added 11 for the Horned Frogs (9-7, 0-4) in their most lopsided loss of the season.
The Horned Frogs were blown out for the second straight game __ they lost 88-62 at Baylor Saturday.
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