Oklahoma State's football team had a poor first half on offensively, rallied in the second half, but fell short in a 31-24 loss to TCU at Amon G. Carter Stadium in Fort Worth, Texas, on Saturday night.
The win makes TCU bowl eligible, and denied OSU a win that would clinch a winning season.
After gaining just 61 total yards in the first half, having 41 yards in penalties and just three first downs, OSU finally got the offense going midway through the third quarter, but by that time, were trailing 24-3.
TCU got the ball to start the game and the Cowboys got a turnover, as Trey Carter forced a fumble by Horned Frogs quarterback Grayson Muehlstein and Enoch Smith recovered at the TCU 19-yard line.
OSU had a touchdown pass nullified by an offensive pass interference penalty and had to settle for a 39-yard field goal by Matt Ammendola and a 3-0 lead with 12:30 to play in the first quarter.
After an exchange of punts, TCU drove into Cowboy territory, but Cole Bunce missed a 40-yard field goal attempt wide right and it remained 3-0 OSU.
Both teams had major struggles on offense for most of the second quarter.
OSU had to punt four straight times, gaining just one first down in those possessions.
TCU punted three straight possessions, before putting together a 67-yard drive in 9 plays, with Muehlstein passing over the middle to Jalen Raegor for the 6-yard touchdown to give the Horned Frogs a 7-3 lead with 1:09 to play in the second quarter.
OSU had just 61 total yards and 41 yards in penalties at halftime.
The Cowboys had three penalties and three first downs in the first half.
TCU had 176 total yards and has a big lead in time of possession, 19:05 to 9:55.
On the first snap of the second half, Cornelius threw a screen pass to Chuba Hubbard, who dropped it and it was ruled a backwards pass.
Jawuan Johnson scooped up the loose ball and returned it 15 yards for the touchdown and TCU led 14-3 with 14:43 to play in the third quarter.
After forcing an OSU punt on three downs, it took TCU's offense just one play to score.
Reagor ran 82 yards for a touchdown and it was 21-3 Frogs with 13:47 to play in the third quarter.
OSU had another 3-and-out possession, and TCU drove to a field goal, as Jonathan Song kicked a 26-yarder to extend the Horned Frogs' lead to 24-3 with 7:30 to play in the third quarter.
Oklahoma State finally put together a sustained drive on the next possession, going 69 yards in 10 plays, with Hubbard scoring from 3 yards out to cut TCU's lead to 24-10 with 4:37 to play in the third quarter.
OSU cut into the lead more early in the fourth quarter, with Taylor Cornelius scoring on a 7-yard touchdown run to cap a 12-play, 80-yard drive and cut the Frogs' lead to 24-17 with 10:04 to play.
TCU answered with what appeared to be the clinching score, going 72 yards in five plays, with Muehlstein passing to Derius Davis for a 24-yard touchdown to make it 31-17 Horned Frogs with 6:33 left.
Muehlstein was 16-for-25 for 180 yards passing.
It took OSU just 1:26 to answer, with Cornelius completing passes of 24 to Dillon Stoner and 29 to Tylan Wallace, setting up a 3-yard Cornelius touchdown run and it was 31-24 TCU with still 5:07 to play.
Cornelius was 17 of 40 passing for 181 yards, and he led OSU in rushing with 52 yards.
OSU forced a TCU punt after just three downs, but got the ball on their own 4-yard line with 2:29 left.
Four incomplete passes gave the Horned Frogs the ball at the four.
TCU took a knee three times, but on fourth down with still 14 seconds left, TCU coach Gary Patterson elected to try a field goal, and Song missed from 34 yards, giving OSU the ball with just nine seconds left.
After a nine-yard completion to Stoner, Cornelius threw incomplete on a deep pass as time expired, giving TCU the bowl-clinching win.
TCU had the edge in time of possession, 39:06 to 20:54.
OSU had just 280 total yards.
OSU needed a win to clinch a 13th straight winning season.
The Cowboys fall to 6-6 overall, and finish Big 12 play 3-6.
They'll play in a bowl game to be determined.