Article Photos: Manning sick over Walton, glad to have Koppen 1/2

  FILE - In this Sept. 30, 2012, file photo, Denver Broncos center J.D. Walton (50) is attended to by a trainer after being injured when Oakland Raiders defensive end Jack Crawford inadvertently crashed into his legs as he was making the tackle on running back Lance Ball during the second quarter of their NFL football game in Denver. The Broncos placed Walton on injured reserve with a broken and dislocated left ankle on Monday, Oct. 1. (AP Photo/David Zalubowski, File)