Article Photos: Oklahoma football: Sooner defense strong enough to make Knight debut a winner 32/72

Oklahoma's Trevor Knight (9) looks for running room past Louisiana Monroe's Cameron Blakes (3) and Michael Johnson (34) during the college football game between the University of Oklahoma 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