The Bears (19-10, 7-9 Big 12) led 50-36 after Taurean Prince completed a three-point play with 8:05 left in the game. They didn't make another field goal, but Kenny Chery hit seven consecutive free throws in the final 3 minutes before a miss.
Brady Heslip added 14 points for Baylor, which got a needed victory for its NCAA tournament hopes.
Robert Turner had 12 points for Texas Tech (13-16, 5-11), which had beaten Baylor at home by 10 points.
Baylor shot just 30 percent overall (16 of 53). The Bears had more offensive rebounds than defensive (21 to 19).
Copyright 2015 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.