Oklahoma was forced to settle for mid-range jumpers most of the game, getting just six points in the paint, compared to 28 for the Red Raiders.
Although it was the taller team, Oklahoma couldn't take advantage. The Sooners missed shots down low and didn't score in the paint in the second half until 12:15 remained, when Groom whittled OU's deficit to 38-34.
Texas Tech took advantage of the Sooners' 16 turnovers, getting 12 points off them. Texas Tech, which averaged 17.4 turnovers coming into the game, had just seven.
Texas Tech led 25-22 at halftime, the first lead the Red Raiders held at the break in a Big 12 game this season. It was the lowest point total allowed by the Red Raiders in a half this year.
The Red Raiders used a 9-2 run late in the first half to take the lead, with five points by Willis and two each by Jaye Crockett and Jordan Tolbert. Tolbert's points came on an emphatic dunk.