Updated

Freshman backup quarterback Davis Webb threw a 19-yard touchdown pass to Bradley Marquez with 3:48 remaining to lead Texas Tech to a 20-10 victory over No. 24 TCU on Thursday night

The score came after the Red Raiders (3-0, 1-0 Big 12) thought they'd scored on a 49-yard TD pass from Webb to DeAndre Washington, but he dropped the ball at the half-yard line. An unsportsmanlike conduct penalty took them back to the TCU 14. Two plays later, Webb hit Marquez.

TCU (1-2, 0-1) scored its only touchdown when B. J. Catalon ran in from 17 yards to make it 10-all with 6:28 remaining

TCU's Trevone Boykin went 18 for 29 for 159 yards and two interceptions.

Texas Tech's starting quarterback Baker Mayfield left the game in the fourth quarter with what appeared to be a leg injury.

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AP college football site: http://collegefootball.ap.org

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