Powell, who injured his knee in NFL Europe this summer, had re-signed with the Packers as a reserve/future Jan. 8. He originally signed with Green Bay May 2, 2003, and spent the '03 camp with the Packers.
Roster move: Offensive lineman re-joins team
Hayes, waived July 29, originally signed as an undrafted free agent April 30. He took part in both off-season mini-camps. Hayes is No. 77 (white jersey) on the roster.
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