Article Photos: Oklahoma football: Sooners' Aaron Colvin adds sacks to his defensive arsenal 46/103

Oklahoma State's Clint Chelf (10) carries the ball against Oklahoma's Tony Jefferson (1) in the third quarter during the Bedlam college football game between the University of Oklahoma Sooners (OU) and the Oklahoma State University Cowboys (OSU) at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., Saturday, Nov. 24, 2012. OU won, 51-48 in overtime. Photo by Nate Billings , The Oklahoman