The Houston Texans signed safety C.C. Brown and tackle Brandon Frye.

The Miami Dolphins signed safety Chris Crocker to a one-year contract.

The Carolina Panthers signed guard Milford Brown.

The Cleveland Browns signed offensive lineman Seth McKinney to a one-year contract.

The Denver Broncos signed quarterback Cullen Finnerty.

The Houston Texans signed safety Nick Ferguson.

The Pittsburgh Steelers re-signed defensive end Nick Eason to a two-year contract.

The Tennessee Titans announced the retirement of guard Benji Olson.

The Washington Redskins signed tight end Pete Schmitt.

The Buffalo Bills re-signed cornerback Dustin Fox, defensive tackle Jason Jefferson and wide receiver Scott Mayle.

The Cleveland Browns signed linebacker Kris Griffin to a one-year contract.

The Green Bay Packers announced the retirement of long snapper Rob Davis.

The Philadelphia Eagles signed tight end Kris Wilson to a three-year contract.

The Pittsburgh Steelers signed center Greg Warren to a three-year contract.

The Seattle Seahawks signed cornerback Marcus Trufant to a multi-year contract.

The Buffalo Bills signed cornerback William James.

The San Francisco 49ers signed guard Jeb Terry.

The St. Louis Rams agreed to terms with defensive end James Hall on a two-year contract.

The Tampa Bay Buccaneers signed defensive lineman Kevin Carter.

The Houston Texans re-signed punter Matt Turk; released center Steve McKinney.

The Jacksonville Jaguars signed tight end Greg Estandia, safety Jamaal Fudge and defensive ends Jeremy Mincey and James Wyche.

The Minnesota Vikings signed linebacker Heath Farwell and cornerback Benny Sapp.

The New England Patriots signed offensive tackle Wesley Britt and linebacker Pierre Woods.

The New York Giants signed guard Rich Seubert to a three-year contract extension through 2012.

The Pittsburgh Steelers signed center Justin Hartwig to a two-year contract.

The San Diego Chargers re-signed tackle Jeromey Clary, wide receiver Malcom Floyd, safety Steve Gregory and defensive tackle Brandon McKinney.

The Washington Redskins signed tackle Jason Fabini.

The Baltimore Ravens re-signed linebacker Nick Greisen to a three-year contract.

The Cincinnati Bengals signed wide receiver Glen Holt, linebacker Rashad Jeanty and linebacker Corey Mays; waived cornerback Brandon Williams.

The Denver Broncos signed center Casey Wiegmann; re-signed running back Cecil Sapp.

The Houston Texans signed quarterback Quinn Gray.

The Philadelphia Eagles signed linebacker Rocky Boiman to a one-year contract.

The Washington Redskins re-signed punter Derrick Frost.

The Cincinnati Bengals signed tight end Ben Utecht to a three-year contract.

The San Francisco 49ers re-signed cornerback Donald Strickland.

The Atlanta Falcons signed kicker Jason Elam.

The Cleveland Browns agreed to terms with linebacker Shantee Orr on a one-year contract.

The Atlanta Falcons traded cornerback DeAngelo Hall to the Oakland Raiders for a second-round pick in 2008, and a fifth-round pick in 2009.

The Cincinnati Bengals signed linebacker Brandon Johnson to a one-year contract.

The Houston Texans re-signed safety Will Demps and defensive end N.D. Kalu.

The Miami Dolphins signed wide receiver Tab Perry to a one-year contract.

The Minnesota Vikings signed safety Michael Boulware and defensive tackle Kenderick Allen.

The New England Patriots signed cornerback Fernando Bryant.

The Pittsburgh Steelers released wide receiver Cedrick Wilson.

The St. Louis Rams signed cornerback David Macklin to a one-year contract; agreed to terms with center Brett Romberg.

The Buffalo Bills re-signed safety Bryan Scott.

The Pittsburgh Steelers signed offensive linemen Chris Kemoeatu and Trai Essex to one-year contracts.

The Tampa Bay Buccaneers signed defensive end Marques Douglas.

The Cleveland Browns traded a sixth-round pick to the Denver Broncos in exchange for center Chris Myers.

The Minnesota Vikings agreed to terms with wide receiver Robert Ferguson, linebacker Dallas Sartz and defensive tackle Ellis Wyms.

The Philadelphia Eagles signed fullback Dan Klecko to a two-year contract.

The San Francisco 49ers signed lineman Qasim Mitchell.

The Tampa Bay Buccaneers signed safety Eugene Wilson.

The Washington Redskins signed defensive lineman Matthias Askew.

The Atlanta Falcons signed tight end Jason Rader.

The Baltimore Ravens signed cornerback Frank Walker to a two-year contract.

The Cincinnati Bengals signed linebacker Darryl Blackstock to a one-year contract.

The Houston Texans signed linebacker Chaun Thompson.

The Minnesota Vikings signed linebacker Derrick Pope.

The New England Patriots re-signed defensive lineman Mike Wright.

The New York Giants re-signed running back Derrick Ward.

The San Francisco 49ers waived wide receiver Darrell Jackson.

The Cleveland Browns signed defensive back Gary Baxter and fullback Charles Ali to one-year contracts.

The Detroit Lions released defensive end Kalimba Edwards and running back Kevin Jones.

The Houston Texans signed running back Chris Brown.

The New York Giants signed linebacker Danny Clark.

The San Francisco 49ers terminated the contract of quarterback Trent Dilfer.

The Arizona Cardinals re-signed long snapper Nathan Hodel to a four-year contract.

The Atlanta Falcons re-signed quarterback Joey Harrington.

The Carolina Panthers released center Justin Hartwig.

The Cincinnati Bengals signed linebacker Roy Manning to a one-year contract.

The Miami Dolphins signed kicker Dave Rayner to a one-year contract.

The New York Giants signed quarterback David Carr.

The Pittsburgh Steelers signed linebacker Keyaron Fox to a one-year contract.

The Tennessee Titans agreed to terms with wide receiver Justin McCareins.

The Washington Redskins re-signed defensive tackle Ryan Boschetti.

The Arizona Cardinals agreed to terms with wide receiver Larry Fitzgerald on a four-year contract.

The Cleveland Browns signed offensive lineman Lennie Friedman to a one-year contract.

The Kansas City Chiefs agreed to terms with wide receiver Devard Darling on a three-year contract.

The New England Patriots re-signed safety Ray Ventrone.

The New York Jets signed running back Jesse Chatman.

The Atlanta Falcons re-signed defensive tackle Tim Anderson; signed center Alex Stepanovich.

The Buffalo Bills signed tight end Courtney Anderson.

The Cleveland Browns signed offensive lineman Rex Hadnot to a two-year contract.

The Denver Broncos waived tackle Doug Nienhuis.

The Houston Texans re-signed tight end Mark Bruener and safety Glenn Earl.

The St. Louis Rams agreed to terms with quarterback Trent Green on a three-year contract.

The Tampa Bay Buccaneers signed tight end Ben Troupe, wide receiver Antonio Bryant and running back Warrick Dunn.

The Buffalo Bills re-signed offensive lineman Jason Whittle.

The Carolina Panthers signed defensive end Tyler Brayton.

The Atlanta Falcons signed defensive end Simon Fraser and defensive tackles Kindal Moorehead and Rashad Moore.

The Chicago Bears signed wide receiver Brandon Lloyd to a one-year contract.

The New Orleans Saints agreed to terms with linebacker Dan Morgan; re-signed tight end Billy Miller.

The Pittsburgh Steelers re-signed linebacker Andre Frazier to a one-year contract.

The Tampa Bay Buccaneers signed cornerback Sammy Davis.

The Baltimore Ravens agreed to terms with linebacker Brendon Ayanbadejo on a four-year contract.

The Denver Broncos signed linebacker Boss Bailey and wide receiver Edell Shepherd.

The Jacksonville Jaguars waived wide receiver Charles Sharon.

The New England Patriots signed cornerback Lewis Sanders and safety Tank Williams.

The New York Jets signed fullback Tony Richardson.

The Philadelphia Eagles released linebacker Takeo Spikes.

The St. Louis Rams re-signed guard Adam Goldberg; agreed to terms with tight end Anthony Becht.

The Tennessee Titans agreed to terms with defensive end Jevon Kearse on a three-year contract.

The Atlanta Falcons released quarterback Joey Harrington.

The Jacksonville Jaguars signed defensive tackle Jimmy Kennedy, tackles Pete McMahon and Ryan Gibbons and long snapper Brett Goode.

The Miami Dolphins re-signed cornerback Michael Lehan to a four-year contract; signed tight end Boomer Grigsby to a one-year contract.

The New England Patriots re-signed wide receiver Jabar Gaffney.

The Tampa Bay Buccaneers signed linebackers Teddy Lehman and Matt McCoy.

The Arizona Cardinals signed defensive end Travis LaBoy to a five-year contract.

The Buffalo Bills re-signed tackle Matt Murphy.

The Chicago Bears agreed to terms with wide receiver Marty Booker on a two-year contract.

The Cincinnati Bengals signed linebacker Dhani Jones to a three-year contract and punter Kyle Larson to a five-year contract.

The Cleveland Browns signed safety Nick Sorensen to a three-year contract.

The Denver Broncos signed defensive end John Engelberger and tight end Nate Jackson.

The Green Bay Packers announced the retirement of quarterback Brett Favre.

The Minnesota Vikings signed running back Maurice Hicks.

The New England Patriots signed cornerback Jason Webster.

The New York Jets released tackle Anthony Clement; signed cornerback Andre Woolfork.

The San Francisco 49ers signed wide receiver Isaac Bruce.

The Seattle Seahawks signed tight end Jeb Putzier to a one-year contract.

The St. Louis Rams signed guard Jacob Bell to a six-year contract.

The Tampa Bay Buccaneers signed linebacker Leon Joe.

The Arizona Cardinals signed tight end Jerame Tuman to a two-year contract.

The Atlanta Falcons released running back Warrick Dunn.

The Cincinnati Bengals signed defensive end Antwan odom to a five-year contract.

The Denver Broncos signed wide receiver Kerry Colbert and linebacker Niko Koutouvides; re-signed defensive end Ebenezer Ekuban.

The Houston Texans signed linebacker Kevin Bentley.

The Jacksonville Jaguars released guard Chris Naeole.

The Kansas City Chiefs agreed to terms with linebacker Demorrio Williams on a five-year contract; claimed fullback Oliver Hoyte off waivers from the Dallas Cowboys.

The Miami Dolphins re-signed safety Yeremiah Bell to a one-year contract.

The New England Patriots re-signed wide receiver Randy Moss; signed wide receiver Sam Aiken.

The New Orleans Saints signed wide receiver David Patten to a two-year contract.

The New York Giants signed safety Sammy Knight.

The New York Jets signed guard Alan Faneca, linebacker Calvin Pace and offensive lineman Damien Woody.

The Pittsburgh Steelers signed quarterback Ben Roethlisberger to an eight-year contract extension and running back Mewelde Moore to a three-year contract.

The San Francisco 49ers signed running back DeShaun Foster, linebacker Dontarrious Thomas and quarterback J.T. O'Sullivan.

The St. Louis Rams agreed to terms with guard Jacob Bell on a six-year contract.

The Tampa Bay Buccaneers acquired quarterback Brian Griese from the Chicago Bears for a 2009 undisclosed pick.

The Tennessee Titans agreed to terms with tight end Alge Crumpler on a multi-year contract.

The Atlanta Falcons agreed terms with running back Michael Turner and tight end Ben Hartsock.

The Atlanta Falcons agreed to terms with cornerback Von Hutchins and safety Erik Coleman.

The Buffalo Bills acquired defensive tackle Marcus Stroud from the Jacksonville Jaguars for undisclosed draft picks.

The Cleveland Browns signed wide receiver Donte Stallworth to a seven-year contract.

The Houston Texans signed cornerback Jacques Reeves.

The Miami Dolphins signed quarterback Josh McCown, defensive tackle Randy Starks, guard Justin Smiley and linebackers Reggie Torbor and Charlie Anderson.

The Philadelphia Eagles signed defensive end Chris Clemons to a five-year contract.

The San Francisco 49ers signed defensive end Justin Smith.

The St. Louis Rams signed kicker Josh Brown to a five-year contract.

The Tampa Bay Buccaneers signed tight end John Gilmore.