Article Photos: Oklahoma coach Bob Stoops confirms Trevor Knight's knee injury; Blake Bell will start Saturday against Tulsa 25/61

Oklahoma's Trevor Knight (9) tries to get rid of the ball as he is brought down by West Virginia's Dreamius Smith (2) during a college football game between the University of Oklahoma Sooners (OU) and the West Virginia University Mountaineers at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Sept. 7, 2013. Knight was called for intentional grounding on the play. Oklahoma won 16-7. Photo by Bryan Terry, The Oklahoman