Article Photos: Oklahoma football's ‘Belldozer' package continues to evolve 1/4

FILE - In this Aug. 6, 2011, file photo, Oklahoma head coach Bob Stoops looks on during Oklahoma football media day in Norman, Okla. The Sooners will start out top-ranked in The Associated Press college football poll for the 10th time, more than any program in the country. (AP Photo/Sue Ogrocki)