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The last hurdle is putting the injury completely out of his mind. He won’t wear a harness, which he considers a mental crutch.

“Got to be mentally tough _ no excuses,” he said. “No one really cares if you feel good or not. I’ve got to go out there and help.”

Miller has been studying Dumervil’s moves in film sessions, paying close attention to how such a small player consistently blows by so many blockers.

“It’s his technique, his hands,” Miller explained. “He’s not the biggest out there. He’s not the strongest out there. But his technique is out of this world.”

Notes: Broncos RB Willis McGahee was limited in practice Thursday because of what was labeled on the injury report as a back injury. Coach John Fox said it was to give him a rest day. … Safety Brian Dawkins (head/neck) made it through a full practice after being dinged up against San Diego. “The (bye week) was perfect for me,” Dawkins said. “I was able to heal up and get everything under control.” … TE Julius Thomas (ankle) was limited in practice. … DB Champ Bailey on the buzz surrounding QB Tim Tebow: “It’s the `Tim Tebow effect.’ It’s amazing the crowd he draws, and it’s like he can’t do wrong. I’ll tell you what, if you can’t win in this league, it won’t last that long. He knows he’s got to win some games, and we’re going to do whatever we can to help him.”