Article Photos: Oklahoma football: Blake Bell approaches every day like he's the starter — but so does Trevor Knight 52/62

Michael Turcotte, Houston, and daughter Gabbi, 6, get an autograph from head football coach Bob Stoops during fan appreciation day for the University of Oklahoma Sooner (OU) football team at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Aug. 3, 2013. Photo by Steve Sisney, The Oklahoman