Big 12 champ No. 3 Baylor beats No. 17 Oklahoma State 81-70

Baylor guard Jared Butler (12) dunks the ball past Oklahoma State guard Bryce Williams (14) in the second half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)

Baylor guard Jared Butler (12) reacts after score a three point shot against Oklahoma State in the second half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)

Oklahoma State guard Cade Cunningham (2) injures his ankle as he and Baylor guard Davion Mitchell (45) reach for the loose ball in the second half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)

Oklahoma State guard Cade Cunningham (2) has the ball striped by Baylor guard Matthew Mayer (24) in the second half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)

Baylor forward Flo Thamba (0) attempts a shot against Oklahoma State forward Kalib Boone (22) in the first half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)

Baylor guard MaCio Teague (31) scores against Oklahoma State defenders in the second half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)

Baylor guard Mark Vital (11) tries to steal the ball from Oklahoma State guard Cade Cunningham (2) in the second half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)

Oklahoma State guard Avery Anderson III (0) attempts a shot past Baylor forward Jonathan Tchamwa Tchatchoua (23) in the first half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)

Oklahoma State guard Cade Cunningham (2) shoots a three point shot over Baylor guard MaCio Teague (31) in the second half of an NCAA college basketball game, Thursday, March 4, 2021, in Waco, Texas. (AP Photo/Jerry Larson)