Detroit have confirmed the signing of Super Bowl-winning wide receiver Golden Tate on a five-year contract.
Philadelphia have bolstered their offence with the signing of explosive running back Darren Sproles.
Jonathan Martin has joined San Francisco as he attempts to rebuild his career after the bullying scandal at Miami.
Jacksonville have signed Will Blackmon to a two-year contract while quarterback Blaine Gabbert has been traded to San Francisco.
The Atlanta Falcons have announced that they have released tight end Tony Gonzalez.
Seven-time Pro Bowl pass rusher DeMarcus Ware has been cut by the Dallas Cowboys.
Atlanta have agreed to terms with defensive tackle Jonathan Babineaux on a three-year contract extension.
The Seattle Seahawks have signed defensive end Michael Bennett to a multi-year deal.
Former Arizona Cardinals and Pittsburgh Steelers running back Rashard Mendenhall has retired at the age of just 26.
The New York Jets have released cornerback Antonio Cromartie.