Kevin Obanor had 17 points and No. 19 Texas Tech backed up its consecutive wins over Top 10 teams with a 78-57 victory over Oklahoma State.
Marcus Santos-Silva had 10 points and 10 rebounds. The Red Raiders never trailed. They were coming off wins over top-ranked Baylor and then-No. 6 Kansas.
Bryce Thompson had 14 points and was the only player in double figures for Oklahoma State, which has lost six of its last eight games.