Article Photos: Raiders prepare for Broncos without head coach

Oakland Raiders head coach Dennis Allen yells during the fourth quarter of an NFL football game against the Cleveland Browns in Oakland, Calif., Sunday, Dec. 2, 2012. The Browns won 20-17. (AP Photo/Tony Avelar)

Oakland Raiders head coach Dennis Allen yells during the fourth quarter of an NFL football game against the Cleveland Browns in Oakland, Calif., Sunday, Dec. 2, 2012. The Browns won 20-17. (AP Photo/Tony Avelar)