Still, Pro Bowl guard Brian Waters already is talking about how tough it is to move Dorsey, whose lower body strength is his biggest asset. And defensive end Tamba Hali already feels the benefit of playing next to Dorsey in his new position at right defensive end, Allen's old position.

"Glenn is just a beast," Hali said. "He can take over a game from that position, especially if a team is trying to run.

"I think he'll give us some different ways to rush the passer and stop the run."