Lubbock, Texas Pierre Jackson scored 19 points and No. 4 Baylor beat Texas Tech 73-60 on Saturday.
Brady Heslip had 16 points and Quincy Miller finished with 15 for the Bears (15-0, 2-0 Big 12), who are off the best start in school history.
Baylor held off the Red Raiders (7-7, 0-2) after building an 11-point lead midway through the second half. Texas Tech put together a 9-2 run to close to 55-51 with 8:17 remaining, but the rally fizzled from there.
The Red Raiders committed eight turnovers in the second half, compared to four after halftime for the Bears.
Javarez Willis scored 13 points and Ty Nurse added 10 for Texas Tech.
The Red Raiders made it easy for the Bears at the start of the second half. Their first six possessions included three turnovers and a missed layup. Ty Nurse's 3-pointer with 14:24 left was Texas Tech's first field goal of the second half and trimmed Baylor's lead to 46-38.
The Bears, meanwhile, scored on 10 of their first 11 possessions to go up 51-40 on a powerful dunk by Quincy Acy with about 13 minutes remaining.
Jackson had eight points — a 3-pointer, two field goals and a free throw — in Baylor's 14-2 run to open the second half.
The Bears led 32-31 at halftime.
Tech started out strong. Robert Lewandowski got two buckets during a 7-2 run that gave the Red Raiders a 20-15 lead with 8:15 left in the first half.
Baylor struggled to finish inside and Tech's defense was sharp, forcing six turnovers in the game's first 12 minutes. Tech had three fruitless possessions and didn't score for about four minutes. But Baylor continued to have turnover woes and the Red Raiders still led 23-21 at the 3:40 mark.
The Bears eventually heated up. Heslip hit back-to-back 3s in 31 second to give the Bears a 30-27 advantage.