Matthew Tucker scored two touchdowns, Jaden Oberkrom kicked two field goals and TCU's defense forced four turnovers in dumping No. 18 Texas 20-13 on Thursday night to get the Horned Frogs their biggest win of their first season in the Big 12.
Tucker scored on runs of 1 and 2 yards and the Horned Frogs (7-4, 4-4) dominated the line of scrimmage, running the ball 48 times and passing just 10.
TCU had two interceptions inside their own 10 to kill Texas (8-3, 5-3) drives and picked up a fumble by Longhorns quarterback David Ash to set up Tucker's second touchdown.
Ash was relieved by Case McCoy, who led a late touchdown drive before an interception by Sam Carter in the final two minutes sealed the win for the Horned Frogs.
The loss eliminated the Longhorns from the Big 12 title picture, which is now a two-team race between Kansas State (10-1, 7-1) and Oklahoma (8-2, 6-1).