Article Photos: Oklahoma football: Why the Sooners' 35-20 victory at Iowa State was a feat of Clay 1/47

Oklahoma's Sterling Shepard (3) reacts near Lacoltan Bester (81) and Justin Brown (19) after scoring a touchdown 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