John Roberson hit a 3-pointer with 53 seconds remaining in overtime to lift Texas Tech over Oklahoma State 75-74 on Saturday.
The win is the third straight for the Red Raiders (11-11, 3-4).
The Cowboys had a chance to win after Keiton Page's two free throws pulled OSU within 75-74 with 33 seconds remaining.
With less than 10 seconds to play, Page tried a short floater from the lane. Mike Singletary blocked the shot - Texas Tech's 10th - to end the game.
Singletary scored 25 points to lead the Red Raiders (11-11, 3-4).
Page scored 26 points to lead the Cowboys (14-7, 2-5), who lost their third straight. He hit 4 of 8 3-pointers and remained perfect (25 for 25) from the line in Big 12 play.
Page hit three of his 10 free throws to tie the game at 68 and send it into overtime.
