In addition to requesting his release, the Boston Herald reports an "angry" Vince Wilfork cleaned out his locker and "ripped his name plate off his locker stall" after the Patriots approached him about reworking his contract.
Free agent WR Hakeem Nicks is visiting the 49ers.
According to the Philadelphia Inquirer, Sam Bradford contemplated quitting football after his 2014 ACL tear.
Coach Gary Kubiak confirmed C.J. Anderson will open OTAs as the Broncos' starting tailback.
Free agent RB Stevan Ridley will visit with teams this week.
Coach Ron Rivera said at the NFL owners' meetings that the Panthers would like to limit Jonathan Stewart to around 15 carries a game in 2015.
Panthers claimed OT Jonathan Martin off waivers from the 49ers.
Panthers signed WR Jarrett Boykin to a one-year contract.
Vikings signed CB Terence Newman, formerly of the Bengals, to a one-year, $2.5 million deal.
NFL.com's Ian Rapoport calls the Falcons a team to "keep an eye on" for Nebraska DE/OLB Randy Gregory.
49ers waived OT Jonathan Martin.
NFL.com's Ian Rapoport reports the Colts are not expected to extend contract-year coach Chuck Pagano before the start of the season.