Carolina Panthers
Signed offensive lineman Luke Fritz.

Chicago Bears
Re-signed cornerback Walt Harris and tight end Kaseem Sinceno.

Cincinnati Bengals
Signed wide receiver-punt returner Romando North to a two-year contract.

New York Jets
Signed free safety Damien Robinson, who had been with the Tampa Bay Buccaneers.

St. Louis Rams
Signed quarterback David Rivers, running back Aveion Carson, wide receivers Lavel Bailey and Tony Miles, tight end Byron Black, guard Omar Smith and linebacker Troy Evans

Released safety Shevin Smith and defensive end R-Kal Truluck.