Article Photos: Oklahoma football: Sooners' Aaron Colvin adds sacks to his defensive arsenal 45/103

Oklahoma State's Clint Chelf (10) runs past Oklahoma's Tony Jefferson (1) 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. Oklahoma won 51-48. Photo by Bryan Terry, The Oklahoman