A 3-pointer from Grimes opened the scoring and put the Red Raiders behind for the first time this season. Texas Tech (2-1) went six minutes without scoring in the first half and trailed by 18 just 12 minutes into the game.
Mac McClung scored 16 points but missed all six of his 3-point tries for the Red Raiders, who shot 22% from long range. Freshman Micah Peavy had 12 points.
Sasser put the Cougars up 53-33 with a 3 before the Red Raiders went an 11-0 run midway through the second half, the first nine points coming on free throws before a dunk by Peavy.