STILLWATER, Oklahoma (Ticker) -- Amber Tarr scored 14 of her 22 points off the bench in a 33-10 run as seventh-ranked Texas Tech rallied from a 12-point deficit and defeated Big 12 Conference foe Oklahoma State, 83-75.

Tarr capped the decisive run with her fourth 3-pointer of the burst as Texas Tech (23-3, 12-3 Big 12) grabbed a 68-57 lead with 5:33 left.

Melinda Pharies scored nine of her 18 points and Plenette Pierson added six of her 12 during the run, which helped the Lady Raiders erase a 47-35 deficit in the final 15:05.

Tarr and Pharies combined for all of Texas Tech's 3-pointers, going 6-of-11 and 4-of-8, respectively.

Aleah Johnson scored 17 points for the Lady Raiders, who shot 45 percent (26-of-58) from the floor and 70 percent (21-of-30) from the line.

Jennifer Crows scored 21 points and Jessica Bates added 19 and 12 rebounds for Oklahoma State (13-14, 5-10), which went 8-of-14 from 3-point range and shot 46 percent (26-of-56) overall.