DALLAS -- Clint Chelf threw three of Oklahoma State's five touchdown passes and the Cowboys shook off a disappointing Big 12 finish by dominating Purdue.

The Cowboys, a year removed from a Fiesta Bowl win that capped the best season in school history, forced five turnovers and had another short TD drive after a 64-yard punt return from Josh Stewart.

It was the biggest bowl win for Oklahoma State since coach Mike Gundy was the quarterback in a 62-14 rout of Wyoming in the 1988 Holiday Bowl. The Cowboys (8-5) missed out on upper-tier bowls after narrow losses in their last two Big 12 games.

With former Purdue quarterbacks Drew Brees and Kyle Orton watching, Robert Marve didn't get to 100 yards passing until Oklahoma State led 45-0 as Purdue (6-7) fell to 0-4 on New Year's Day.

Leading 28-0 at halftime, Oklahoma State erased any lingering doubt three plays into the second half when Justin Gilbert stripped Purdue receiver O.J. Ross on a short completion. The loose ball shot straight to Daytawion Lowe, who ran 37 yards down the sideline in front of the Purdue bench for a 35-0 lead.

Oklahoma State's 58 points were the most in a bowl game at historic Cotton Bowl Stadium, topping the 55 scored by Keyshawn Johnson and Southern California against Texas Tech in 1995.

Oklahoma State 58, Purdue 14

Purdue 0 0 7 7 -- 14

Oklahoma St. 14 14 17 13--58

First Quarter

OkSt --