LUBBOCK, Texas (AP) -- Isaiah Cousins scored 22 points and Frank Booker added a career-high 17 points to help lead No. 17 Oklahoma past Texas Tech 79-75 in overtime Saturday.
Buddy Hield hit back-to-back 3-pointers and Cousins made a field goal and two free throws to help the Sooners (19-8, 10-5 Big 12) seal the win.
Cousins was 8 for 15 from the field, while Booker was 4 for 8 from the field, all 3-pointers.
Toddrick Gotcher scored 18 and Keenan Evans added 17 to lead Texas Tech (12-16, 2-13).
Texas Tech got it to overtime after Gotcher missed his second free throw and teammate Isaiah Manderson grabbed the rebound. He tossed it to Gotcher who hit a 3-pointer to tie it at 67.
It was the fifth straight loss for Texas Tech (12-16, 2-13), but the first time since beating then No. 9 Iowa State in January that it scored more than 70 points.
The Sooners are now 1-1 in overtime contests. The lost at home to Kansas State 66-63. It was the second overtime loss for the Red Raiders.
Hield, who picked up his third foul early in the second half but played the rest of the way, scored just eight points. He was the Big 12's leading scorer (17.2 points per game) coming into the game.
OU got outrebounded 27-24 but got 22 points from its bench. Texas Tech got more points in the paint (26-24) but got just two points from its bench.
Oklahoma led 30-29 at halftime, despite having gone 2 for 8 from the field to close the period. The Sooners had nine turnovers, which match their total for the entire game in a blow-out win over the Red Raiders (81-36) in Norman last month. Buddy Hield, the Big 12's leading scorer at 17.2 points per game, went to the bench late in the first half with two fouls and just two points.
The Red Raiders shot 52.6 percent, the highest since Dec. 17, when they shot 61.1 percent and getting 53 first-half points in a win over South Carolina State.
