Kendra Suttles scored 16 points and Toni Young had 11 points and 18 rebounds to lead Oklahoma State past Texas Tech 59-54 in the Big 12 women's tournament quarterfinals Saturday.
The Lady Raiders, who beat the Cowgirls twice during the regular season, pulled within a point three times in the last 3 1/2 minutes but committed a turnover with the only chance they had to take the lead.
Young put Oklahoma State (21-9) up 55-52 with 38 seconds left when she was fouled after an offensive rebound and made both free throws.
Liz Donohoe scored 13, putting the Cowgirls ahead for good on a 3-pointer late in the first half and icing the win with four free throws in the last 21 seconds. Brittney Martin had 14 points and a game-high seven steals.
Kelsi Baker led Texas Tech (21-10) with 17 points and a season-high 14 rebounds.