Article Photos: Oklahoma football: Why the Sooners' 35-20 victory at Iowa State was a feat of Clay 6/47

Oklahoma's Kenny Stills (4) catches a touchdown pass against Iowa State's Jeremy Reeves (5) in the second quarter during a college football game between the University of Oklahoma (OU) and Iowa State University (ISU) at Jack Trice Stadium in Ames, Iowa, Saturday, Nov. 3, 2012. Photo by Nate Billings, The Oklahoman