Article Photos: Oklahoma football: Casey Walker's mother says he will return to Sooners 5/7

Oklahoma's Jaydan Bird (55) stops Iowa State's David Sims (1) on a kick return during the first half of the college football game between the University of Oklahoma Sooners (OU) and the Iowa State Cyclones (ISU) at the Gaylord Family-Oklahoma Memorial Stadium on Saturday, Oct. 16, 2010, in Norman, Okla.  Photo by Chris Landsberger, The Oklahoman ORG XMIT: KOD