Oklahoma State 76, Texas Tech 60: With Big 12 Freshman of the Year Le'Bryan Nash on the bench with a cast on his left hand, fellow freshmen Brian Williams and Cezar Guerrero combined for 35 points as the Cowboys improve to 9-0 in the first round of the Big 12 tournament.

Senior Keiton Page scored a game-high 20 points for the seventh-seeded Cowboys (15-17), who will meet No. 2 seed Missouri in Thursday's quarterfinals. Oklahoma State upset the then-No. 2 Tigers in Stillwater, Okla., on Jan. 25.

Jordan Tolbert scored 16 points before fouling out as the Red Raiders (8-23) ended coach Billy Gillespie's first year with seven consecutive losses.

GAME NOTEBOOK: Oklahoma State improved to 9-0 in first-round games. ... The Cowboys lead the all-time series 36-15 and have won four straight against the Red Raiders. They have won five of the six meetings in the Big 12 tournament. … Five of Oklahoma State's nine wins in the first round have come as the No. 7 seed. … Page, the Big 12's active leader with 293 3-pointers made, didn't make a 3 until almost eight minutes into the second half. … The teams were a combined 30 of 35 from the free throw line, including 16 for 16 by the Cowboys.