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Oklahoma State 58, Iowa State 27

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AMES, Iowa -- A running back change was all the spark Oklahoma State needed Saturday.

After seeing little production from the ground game since the start of Big 12 play, Cowboys coach Mike Gundy gave former second-stringer Desmond Roland the start in Ames, and the junior validated the decision by rushing for a career-high 219 yards and four touchdowns on 26 carries, leading No. 19 Oklahoma State to a 58-27 victory at Iowa State.

On a windy day in which the Cowboys (6-1, 3-1 Big 12) also had a new look at quarterback, with Clint Chelf getting the nod over J.W. Walsh, Roland's breakout game was much needed. As Chelf completed just 10 of 26 passes for 78 yards with a touchdown and an interception, Roland kept the chains moving and more than doubled his season rushing total. He entered the day with 147 yards.

Roland's highlight-reel run was a 58-yard scamper midway through the third quarter, when he started left and broke four tackles in the process of weaving back to the right sideline and eventually into the end zone to extend the Cowboys lead to 38-20.

Entering the day 96th nationally with 136.5 rushing yards per game, including just 97.0 yards in its past three contests, Oklahoma State ran for 347 yards on 42 attempts. Previous first-string tailback Jeremy Smith carried seven times times for 21 yards.

The Cowboys jumped out quickly and never trailed in the game. After a three-and-out by the Cyclones to open the game, the Cowboys marched 58 yards in 10 plays to take a 7-0 lead on a 2-yard scoring run by Roland. Three snaps later, OSU cornerback Justin Gilbert returned an interception 31 yards for a touchdown after he undercut a sideline route, giving the Cowboys a 14-0 lead at the 10:20 mark.

After four drives apiece, Iowa State (1-6, 0-4) had minus-1 yard of total offense, and Oklahoma State had a 21-0 lead when Chelf found Charlie Moore on an 8-yard touchdown pass.

ISU hung around and trailed just 28-20 at halftime, thanks to go-to receiver Quenton Bundrage and a reinvigorated rushing attack. Bundrage hauled in touchdown receptions of 22 and 20 yards in the first half, and the Cyclones amassed 100 rushing yards on 16 carries in the second quarter after initially being stymied.

The Iowa State rally could only last so long against a superior foe, though, as Oklahoma State reeled off 17 straight points in the third quarter. Cowboys defensive end Tyler Johnson returned an Ernst Brun fumble 54 yards for a touchdown to extend his team's lead to 45-20 with just more than four minutes left in the quarter.

Iowa State played without starting running back Aaron Wimberly, who has been battling back and shoulder injuries recently. The Cyclones were also without without starting quarterback Sam Richardson for much of the game, as he left midway through the second quarter with an apparent upper-body injury following an awkward hit on a scramble.

Richardson completed 6 of 15 passes for 95 yards, a touchdown and an interception. Backup Grant Rohach was 12-for-23 for 97 yards, a touchdown and an interception.

Walsh didn't play until late in the fourth quarter.

NOTES: Not typically known as a running threat, Chelf ran for 85 yards on nine carries. ... The Cowboys only had four players record a reception and were led by Tracy Moore, who had three catches for 37 yards. ... The Cyclones were just 4-for-20 on third-down conversions. ... Each team had 20 first downs, and Oklahoma State outgained Iowa State 420-346.
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