Article Photos: Oklahoma coach Bob Stoops confirms Trevor Knight's knee injury; Blake Bell will start Saturday against Tulsa 1/61

 during the college football game between the University of Okahoma Sooners (OU) and the University of Louisiana Monroe Warhawks (ULM) at the Gaylord Family Memorial Stadium on Saturday, Aug. 31, 2013 in Norman, Okla.  Photo by Chris Landsberger, The Oklahoman