Article Photos: Oklahoma football: Sooners bring big-play ability into an even bigger matchup with Notre Dame 12/81

Oklahoma Sooner Casey Walker (53) recovers a fumble during the college football game between the University of Oklahoma Sooners (OU) and the University of Kansas Jayhawks (KU) at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Oct. 20, 2012. Photo by Steve Sisney, The Oklahoman