Oklahoma survived a second half TCU rally to beat the Horned Frogs 20-17 on Saturday night in Norman.
OU led 13-0 at halftime, but TCU scored 10 third quarter points to make it a three point game going into the fourth quarter.
With under five minutes to play, Brennan Clay scored on a 76-yard touchdown run to extend OU’s lead to 20-10.
Clay finished with 111 yards rushing on just nine carries.
TCU responded immediately, going 75 yards in five plays, with Trevone Boykin scoring from eight yards out to cut the Sooner lead to three with 2:26 to play.
Oklahoma then ran out the clock, getting two runs by Blake Bell to pick up first downs and clinch the win.
Bell was 20 for 31 passing for 152 yards and added 61 yards rushing.
OU’s defense held TCU to 210 total yards, while TCU kept the Sooners to 355 total for the game.
Michael Hunnicutt kicked two field goals, one from 39 and one from 37 yards, sandwiched around the lone Sooners first half touchdown.
Hunnicutt broke the OU career record for most field goals.
The Sooners capped a 13-play drive with a Trey Millard eight-yard touchdown run to give OU a 10-0 lead.
Hunnicutt’s second field goal came as time expired in the first half.
TCU dominated the third quarter, holding OU to just four total yards in the period.
The Horned Frogs got a 25-yard field goal from Jaden Oberkrom to get on the board late in the third quarter.
TCU then recovered a deep onside kick, and marched to a touchdown.
Trevone Boykin kept on an option play for a two-yard touchdown with just eight seconds left in the third quarter to cut Oklahoma’s lead to 13-10.
For the second game in a row, OU did not commit a turnover.
The Sooners are 5-0 on the season and 2-0 in Big 12 play.
Oklahoma will play Texas next Saturday at 11:00 am in the Cotton Bowl in Dallas.