Broncos captains include Kyle Orton, J.D. Walton

If any doubt existed that:  (1) Kyle Orton would remain in Denver; and (2) he’ll be the starting quarterback, that doubt can now be erased.  Broncos players have voted Orton one of the team’s captains for 2011. The others, according to the Denver Post, are center J.D. Walton, guard Chris Kuper, defensive end Elvis Dumervil,…