Photo Gallery: OU vs. Iowa State -- Nov. 26, 2011 23/57

Oklahoma's Trent Ratterree (47) fights off Iowa State's Jake Knott (20) during a college football game between the University of Oklahoma Sooners (OU) and the Iowa State University Cyclones (ISU) at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., Saturday, Nov. 26, 2011. Photo by Bryan Terry, The Oklahoman