Oklahoma 81, Texas Tech 63: Romero Osby led five players in double figures with 17 points as the host Sooners won their fifth straight.

Buddy Hield had 16 points, Andrew Fitzgerald finished with 12, Steven Pledger scored 11 and Cameron Clark added 10 for Oklahoma (12-3, 3-0 Big 12), which entered the game as one of three teams still unbeaten in league play.

Dejan Kravic led the Red Raiders (8-7, 1-3) with 20 points on 8-of-10 shooting. His teammates combined to go 17-for-49 (34.7 percent) from the field.

The Sooners never trailed after two Pledger free throws snapped a 7-7 tie, but they led by only six points at 57-51 midway through the second half. Fitzgerald and Hield hit back-to-back jumpers to push the lead back to double digits with 8:35 left.

The Red Raiders, who have lost three in a row, never got closer than nine points down the stretch. Leading scorer Jaye Crockett had 11 points and 10 rebounds for Texas Tech.

GAME NOTEBOOK: The Red Raiders had nine assists against 14 turnovers. ... The Sooners' five-game run is their longest under second-year coach Lon Kruger. ... Oklahoma made a season-high 22 free throws in 26 attempts.