Oklahoma State survived a mistake-filled performance to beat TCU 24-10 on Saturday in Stillwater.
Josh Stewart returned a punt 95 yards for a touchdown for the only score in the first quarter.
It was the longest punt return in OSU history, breaking the record of 90 yards, set by Jim Wiggins in 1956 and Jim Spavital in 1946.
Stewart also caught six passes for 65 yards in the quarter, and finished the game with season highs for catches and yards, 10 for 141.
J.W. Walsh threw an interception in the first quarter, but the OSU defense then forced TCU to go three plays and punt.
The second quarter was mistake-filled, with TCU turning the ball over three times and OSU twice, plus Cowboy kicker Ben Grogan missed two field goal attempts.
TCU couldn't take advantage of Walsh's second interception early in the second quarter.
On OSU's next possession, Clint Chelf came in at quarterback, and threw an interception to TCU's Kevin White on Chelf's first snap from scrimmage.
Chelf completed 10 of 25 passes for 178 yards, and played the rest of the way after replacing Walsh, who was 9 of 18 for 115 yards passing.
The Horned Frogs could not capitalize, however, and OSU got a field goal from Grogan from 27 yards to take a 10-0 lead.
OSU got the ball back when Daytawion Lowe intercepted Trevone Boykin.
That set up a three-yard touchdown run by Desmond Roland to put the Cowboys up 17-0.
Boykin was 17 of 35 passing for 188 yards, with three interceptions.
OSU's defense came up with two more turnovers, getting an interception from Justin Gilbert and a fumble recovery by Caleb Lavey, but the Cowboys could not take
advantage either time, as Grogan missed field goals both times, from 32 and 31 yards.
The two teams finished the game with four turnovers each.
Each team turned the ball over once in the third quarter.
Jeremy Smith fumbled, setting up a 36-yard field goal by Jaden Oberkrom to make it 17-3 OSU.
TCU was driving to try to cut the deficit to a touchdown, but on the final play of the third quarter, Caleb Lavey intercepted Boykin, maintaining OSU's 14-point lead after three quarters.
The Horned Frogs got within a score of OSU when Waymon James scored on a 13-yard touchdown run to make it 17-10 Cowboys midway through the fourth quarter.
OSU responded with the game-clinching drive, capped by a Rennie Childs 7-yard touchdown run with just over six minutes left to make it 24-10.
A crowd of 59,638, a Boone Pickens Stadium record, were on hand for the homecoming game.