49ers signed Azusa Pacific OT Luke Marquardt.
TFY Draft Insider Tony Pauline reports "word amongst insiders" is the Jets are "going hard" after free agent CB Vontae Davis.
NFL Network's Ian Rapoport reports the Bears are "pushing hard" to sign free agent DE Lamarr Houston.
ESPN Redskins blogger John Keim reports the team is interested in free agent Kenny Britt.
Dolphins signed FS Louis Delmas to a one-year, $3.5 million contract.
Profootballtalk reports free agent Vontae Davis is expected to sign a contract on Tuesday, but "not with the Colts."
Bears released RB Michael Bush.
ESPN's Adam Schefter reports the Bears are shopping RE Julius Peppers for trade.
Dolphins released CB Dimitri Patterson.
NFL.com's Ian Rapoport reports the Panthers are "attempting to trade" Steve Smith.
49ers released CB Carlos Rogers.
Seahawks re-signed DE Michael Bennett to a four-year, $28.5 million contract, including $16 million guaranteed.