Article Photos: Oklahoma football: Blake Bell approaches every day like he's the starter — but so does Trevor Knight 58/62

FullbackTrey Millard (33) and running back Damien Williams sign pose with Adalyn Smith, one, as they sign autographs 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