The 49ers waived Martin, announcing the move Thursday. The Niners acquired Martin last March in a deal with Miami. Martin had left the Dolphins in October 2013 after accusing teammate Richie Incognito of bullying. An NFL investigation determined Incognito and two other Dolphins offensive linemen engaged in persistent harassment of Martin.
Impact: Martin started seven games at right tackle last season in place of injured Anthony Davis. He struggled in that role and allowed 7 1/2 sacks, according to STATS.
The Bengals brought back Sims on Thursday, signing him as an unrestricted free agent from Oakland.
Impact: Sims was Cincinnati's third-round pick in 2008 and spent five seasons with the Bengals before leaving as a free agent. He spent the last two seasons with the Raiders, playing in 32 games with a total of 85 tackles. He has seven career sacks and one interception.
The Vikings waived Anderson on Thursday.
Impact: Anderson appeared in two games for the Giants in 2014.
The Pittsburgh Steelers have re-signed Heyward-Bey to a one-year contract. Terms of the deal were not disclosed.
Impact: The 28-year-old Heyward-Bey served primarily on special teams for the Steelers in 2014 after coming over from Indianapolis. Heyward-Bey caught three passes for 33 yards last season, including a 17-yard third-down conversion against Houston on Oct. 20 that helped the Steelers pick up valuable field position in a win that helped propel Pittsburgh to an AFC North title.
Minnesota waived McCray on Thursday.
Impact: McCray, who played college ball at UCF, has never appeared in an NFL game.
The Minnesota Vikings have signed Aiyegbusi, announcing the move Thursday. Aiyegbusi, whose name is pronounced bah-BUH'-toon-day ah-YEG'-boo-see, is a native of Olesnica, Poland. The 6-foot-9, 351-pounder played for the Dresden Monarchs of the German Football League in 2014, helping the club to an appearance in the semifinals.
Impact: In 2013, Aiyegbusi helped the Wroclaw Giants to the Polish American Football League Championship. The 27-year-old tackle becomes the fifth Polish-born player in NFL history.
Shelby has signed his restricted tender offer and will make $2.4 million this year. Shelby, who signed Thursday, provides depth in a front four upgraded with the recent signing of tackle Ndamukong Suh.
Impact: Shelby, a three-year veteran, saw significant playing time off the bench last year at both tackle and end. He had 21 tackles and three sacks.
The Jets have signed Davis, adding a big blocker to their offense.
Impact: The 6-foot-7, 265-pound Davis signed with the Giants last offseason, but was cut during the summer. He was signed by the Lions in October, released and then re-signed and played in six games, mostly as a blocker.
Dallas coach Jason Garrett Hardy must "do the right things from the beginning" to be part of the Cowboys. Hardy signed a one-year, $13 million free agent contract with the Cowboys, with only $1 million guaranteed. The rest of the money is tied to incentives.
Impact: Garrett said the team talked to people going all the way back to Hardy's high school days in determining whether to sign him. The talented but troubled defensive end was convicted in North Carolina last July of assaulting a female and communicating harassment, but the case was dismissed after Hardy reached a settlement with the victim.
Nelson has had offseason surgery on his hip. A person with knowledge of Nelson's surgery told The Associated Press it was the hip. The person spoke on condition of anonymity because Packers coach Mike McCarthy did not specify what part of the body was operated on.
Impact: McCarthy said Wednesday the recovery period could take six to eight weeks. Nelson had a career-high 98 catches and 1,519 yards receiving to go with 13 touchdowns as the top target for Aaron Rodgers during the quarterback's MVP campaign.
The Vikings have agreed to terms on a contract with Mays.
Impact: Mays was a second-round draft pick out of USC by San Francisco in 2010 and traded by the 49ers the following year to the Cincinnati Bengals, where he played three seasons under defensive coordinator Mike Zimmer. Zimmer has started his second year as coach of the Vikings. Mays will likely compete with incumbent Robert Blanton for a starting spot next to Harrison Smith.
The Chicago Bears have agreed to a one-year contract with former San Francisco 49ers defensive end Ray McDonald.
Impact: Bringing in McDonald, who played under new Bears defensive coordinator Vic Fangio in San Francisco, could be controversial for Chicago given his issues with the law. The 49ers cut McDonald in December after a woman accused him of sexually assaulting her following a night of drinking in which she injured her head in a fall by his swimming pool.
The Buffalo Bills' courtship of Charles Clay lasted more than a week before they finally lured the tight end from Miami.
Impact: Clay identified the Bills as a team on the rise before the free agency period began, and is excited to finally join Buffalo's revamped offense. The Bills made Clay one of their top free-agent targets. He traveled to Buffalo by private jet on March 10, the first day of the league's signing period, and spent several days in the area before signing a five-year, $38 million contract on March 17.
Browns coach Mike Pettine expects quarterback Johnny Manziel to take part in the team's practices next month after leaving rehab.
Impact: Pettine said the team has received "good" feedback about Manziel, who entered a treatment facility on Jan. 28 for an undisclosed problem. A first-round draft pick in 2014, the 2012 Heisman Trophy winner from Texas A&M backed up Brian Hoyer before playing poorly in two starts. Following the season, Manziel acknowledged he should have taken his job more seriously.
The Vikings have agreed to terms on a contract with Matthews.
Impact: Matthews played the past four seasons with Philadelphia, starting 15 of 65 games for the Eagles. The former fourth-round draft pick from Oregon had a career-high 62 tackles last season. He's the younger brother of Green Bay Packers standout Clay Matthews.
The New York Jets have signed defensive end Stephen Bowen and offensive tackle Corey Hilliard, adding veteran depth to their lines.
Impact: Bowen, 30, spent the last four seasons with Washington after playing his first five years in Dallas. He signed as an undrafted free agent out of Hofstra in 2006. Bowen played in eight games after spending the first half of last season on the physically unable to perform list while recovering from a knee injury that cut short his 2013 season.
The New York Jets have signed defensive end Stephen Bowen and offensive tackle Corey Hilliard, adding veteran depth to their lines.
Impact: Hilliard, 29, spent the last six seasons with Detroit. He suffered a season-ending foot injury in last year's opener.
The NFL's experiment with a veterans combine has worked immediately for at least one player. Slaughter is the first success story from Sunday's session, signing with the Arizona Cardinals on Monday. Slaughter ran an unofficial 4.55 in the 40-yard dash, the fastest time.
Impact: Slaughter, 22, also could find a role on special teams. Slaughter played four seasons at Division II West Texas A&M, where he caught 74 passes for 1,978 yards and 14 touchdowns, along with three kickoff return TDs.
The Steelers have re-signed Harrison to a two-year deal, bringing back the 36-year-old who had 5 1/2 sacks last year. The team announced the deal on Sunday, and Harrison shared a picture of himself signing the contract on Instagram and Twitter.
Impact: The five-time Pro Bowler will be entering his 13th NFL season after spending the winter training in Arizona. This offseason, there were no questions about whether Harrison wanted to return. He came back to the Steelers in 2014 after a brief 18-day retirement. Harrison played in 11 games last season.
Moore has signed a contract to remain the Miami Dolphins' backup quarterback behind Ryan Tannehill.
Impact: Moore has been with the Dolphins since 2011, when he replaced an injured Chad Henne, started 12 games and was voted the team's most valuable player. But he hasn't started since then, and threw only four passes in two games last year.
The Seattle Seahawks have re-signed long snapper Gresham to a new contract.
Impact: It's a three-year contract worth $2.7 million total and a $300,000 signing bonus. Gresham has been with the Seahawks since the 2010 season, appearing in every game during that time. Seattle has kept all of its specialists together for the past four seasons with Gresham, punter Jon Ryan and kicker Steven Hauschka.
One day after Peterson's agent, Ben Dogra, said in an interview on Tuesday that he believes a return to Minnesota this season is not in the "best interest" of the standout running back, coach Mike Zimmer said he "fully expects" Peterson to be with the team for the 2015 season, adding Wednesday there are "no plans" to trade the star.
Impact: Peterson has not yet been reinstated by the NFL from his suspension under the personal conduct policy. Peterson has balked at returning to the team, questioning the Minnesota organization's support of him after he was suspended for disciplining his 4-year-old son with a wooden switch. The case was resolved in court with a plea bargain. Peterson's contract has three years remaining, with a $12.75 million salary for 2015.
The Miami Dolphins are bringing back safety Louis Delmas, who signed a one-year deal Friday to return to the club.
Impact: Delmas tore the anterior cruciate ligament in his right knee in December, but the team is hopeful he will be ready for training camp this summer.
The Indianapolis Colts said Friday they have agreed to terms with unrestricted free agent linebacker Nate Irving.
Impact: Irving spent the past four seasons with the Denver Broncos, where he had 104 tackles, two sacks and 22 special teams stops in 54 regular season games, including 12 starts. In six playoff games, he added nine more tackles. Irving started the first eight games last season and posted a career-high 44 tackles along with a sack before being placed on injured reserve Nov. 13.
The New Orleans Saints have agreed to terms with Harris on a one-year contract.
Impact: Harris, 6-6, 300 pounds, has appeared in 34 career games with four starts in three seasons, two at left tackle and two at right tackle. Originally signed as an undrafted free agent by the Atlanta Falcons in 2012 out of Fresno State, Harris was added to New Orleans' active roster off the Falcons practice squad in Week one of his rookie campaign.
The New York Giants have signed Selvie, a college teammate of Jason Pierre-Paul, to help strengthen their defensive line. The Giants announced the signing on Friday. Contract terms were not immediately available.
Impact: Selvie and Pierre-Paul were together at South Florida and it's conceivable they could go into the season as the Giants' starting defensive ends in September. Selvie has played in 68 regular-season games with 29 starts in five seasons for St. Louis, Carolina, Jacksonville and Dallas. His career totals include 126 tackles, 13 sacks, three forced fumbles and four fumble recoveries.
The New York Jets and Vickerson have agreed to a one-year contract.
Impact: Vickerson, 32, had 12 tackles in 15 games for the Kansas City Chiefs last season. He is expected to give the Jets depth on the defensive line after Kenrick Ellis signed with the Giants as a free agent. Vickerson also has been with Miami, Tennessee, Seattle and Denver during his 10-year career. He has 165 career tackles, 6 1/2 sacks, two forced fumbles and an interception.
Minnesota signed Harris on Thursday.
Impact: Harris missed all of the 2013 season with a knee injury and appeared in 15 games for the Packers last season. He carried the ball 16 times for 64 yards and could give the Vikings depth at the position if they part with Adrian Peterson.
The Jacksonville Jaguars have claimed Bernard Pierce off waivers, one day after the running back's drunken driving charge led to his release by the Baltimore Ravens.
Impact: The 23-year-old Pierce has rushed for 1,334 yards and five touchdowns in 45 career games with the Ravens, including three starts. He was a third-round draft pick in 2012. He had 366 yards rushing and touchdowns last season.
The Tennessee Titans have agreed to terms with offensive tackle Byron Stingily on a multi-year contract. The Titans announced the deal Thursday. Financial terms of the contract weren't disclosed.
Impact: Stingily, 26, played 10 games and made five starts for the Titans last season to establish career highs in both categories. He has played 20 games with nine starts in four seasons with the Titans.
The Dallas Cowboys have signed Agnew.
Impact: Agnew played last season as a rookie free agent with the Cleveland Browns out of Southern Illinois. After starting the first six games of last season, Agnew was waived Oct. 20. He re-signed with the Browns on Nov. 11, and started three of the next five games before being released Dec. 23. Mainly a blocker, Agnew had two rushes for 2 yards and three catches for 15 yards.
Seattle has signed Smith.
Impact: Smith was with the Seahawks in training camp last year before being placed on injured reserve.
The Atlanta Falcons have signed Tamme, looking for help at tight end one year after the retirement of Tony Gonzalez.
Impact: Tamme had 14 catches for 109 and two touchdowns with the Denver Broncos last season. He set career highs with 67 catches for 631 yards and four touchdowns with quarterback Peyton Manning and the Colts in 2010. He then followed Manning to Denver, where he played the last three seasons. Levine Toilolo had 31 catches for 238 yards and two touchdowns as the Falcons' starting tight end last season.
Fells has re-signed with the New York Giants. The eight-year veteran shared the position with Larry Donnell last season, playing in all 16 games. He had 16 receptions for 188 yards and a career-high four touchdowns.
Impact: Fells did not play in 2013, and said his return last year was "a big blessing. I wanted to be able to come back and prove I can still play this game." He played his first three NFL seasons with the Rams, mostly as a backup. In 2011, Fells started 15 games for Denver. He joined New England the next year, but made only four catches.
Robinson has signed a one-year contract with the San Diego Chargers.
Impact: He is the third defensive back signed by the Chargers this offseason, joining cornerback Brandon Flowers and safety Jimmy Wilson. Robinson was a first-round draft pick of the New Orleans Saints in 2010, the 32nd choice overall. After appearing in just two games in 2013 due to a knee injury, he bounced back in 2014 to play in 14 games, intercepting two passes and breaking up 11 more.
Bowe, who spent the past eight seasons with Kansas City, has agreed to contract terms with the Cleveland Browns.
Impact: With Cleveland, Bowe will become a No. 1 receiver and fill the void created when former Pro Bowler Josh Gordon was suspended for one year for multiple violations of the NFL's drug policy. A big, athletic receiver, Bowe had 60 catches for 754 yards last season but no touchdowns. Bowe led the league with 15 TDs in 2010 and has averaged 66 catches per season.
Rubin has agreed to the terms of a deal with the Seattle Seahawks, bolstering their defensive front.
Impact: Rubin has been a full-time starter for most of his seven-year career, all of it spent with the Cleveland Browns. He started all 59 games he played between 2010-13 and 11 of 13 games last season. He had a career-high 83 tackles and five sacks in 2011, but has not approached those numbers since the Browns switched to a 3-4 defense.
The Indianapolis Colts have signed undrafted free agent tackle Demarco Cox, a former basketball player at Ole Miss.
Impact: The 6-foot-8 Cox played four years of basketball for the Rebels before transferring to Georgia Tech. He started all but one game for the Yellow Jackets and was the team's third-leading scorer (8.8 points per game) and rebounder (6.0).
The Chicago Bears have re-signed Rosario to a one-year contract.
Impact: Rosario was originally acquired by the Bears through a trade with Dallas before the start of the 2013 season. Since coming to Chicago, Rosario has started six of 31 games and has 17 receptions for 129 yards. Rosario has appeared in 122 games with 32 starts and 116 catches for 1,235 yards and eight TDs in eight NFL seasons. He has also played for Carolina, Denver, Miami and San Diego.
The Washington Redskins have re-signed McCoy, who started four games for the team last season. Terms of the deal were not disclosed.
Impact: McCoy, 28, appeared in five games overall in his first season with the Redskins, completing 91 of 128 passes (71.7 percent) for 1,057 yards, with four touchdown passes, three interceptions and a team-high passer rating of 96.4. The McCoy signing means, at least for now, the trio of quarterbacks who started games for last year's 4-12 club will return, including 2012 first-round draft pick Robert Griffin III and Kirk Cousins.
The Denver Broncos have agreed to terms with free agent linebacker/special teamer Reggie Walker on a one-year contract.
Impact: Walker is a seventh-year player who played the last two seasons in San Diego after four years in Arizona. Walker has played in 75 regular season games with a half-dozen starts, all in 2013. His best season was 2013, when he had a career-high 36 tackles, three sacks and a fumble recovery.
The New York Jets have signed former Giants offensive lineman James Brewer to a one-year contract. The 6-foot-6, 330-pound Brewer signed Thursday, a day after visiting with the Jets. He was a fourth-round draft pick by the Giants out of Indiana in 2011.
Impact: Brewer played in 26 career games, including eight starts, with the Giants. He was inactive for the Giants' first 10 games last season before playing in Weeks 12 and 13 - his only game action.
The NFL has filed a second lawsuit in North Carolina court seeking information from defensive end Greg Hardy's bench trial last summer in which he was convicted on two counts of domestic violence.
Impact: The lawsuit filed Wednesday comes on the same day Hardy signed a one-year contract with the Dallas Cowboys. The NFL is asking the judge to inform the Mecklenburg County District Attorney to release material from Hardy's first trial. Although the charges were dismissed last month, the NFL is continuing its investigation into the matter.
The Atlanta Falcons have re-signed defensive end Kroy Biermann, who led the team in sacks last season.
Impact: Biermann was a fifth-round pick from Montana in 2008. He has played a variety of roles, including a hybrid outside linebacker-defensive end job last season.
The Dallas Cowboys have made their big play in free agency with defensive end Greg Hardy. Although Hardy could face a league suspension for violating the NFL's domestic conduct policy, the team said it agreed to terms with the former Carolina Panther on Wednesday.
Impact: A person with knowledge of the contract tells The Associated Press it is a one-year deal that could earn him $13.1 million if he meets incentives. The person spoke on condition of anonymity because terms of the deal were not announced.
The Detroit Lions have reached a two-year deal with Mathis, keeping the free agent cornerback in the Motor City after he started all 16 games this past season.
Impact: The 34-year-old Mathis has been a steady part of Detroit's secondary since the Lions signed him two years ago. He had 42 tackles and nine assists last season, as well as an interception he returned 41 yards for a touchdown in an October loss to Buffalo. Mathis spent the first 10 seasons of his career with the Jacksonville Jaguars before joining the Lions.
Crabtree has scheduled a visit with the Miami Dolphins, who are revamping the position this offseason.
Impact: Crabtree has been a starter for the San Francisco 49ers since they took him in the first round of the 2009 draft. He had 68 catches last year but dropped passes were a problem, and he averaged a career-low 10.3 yards per reception while scoring only four touchdowns.
The New York Giants have signed former Jets defensive tackle Kenrick Ellis in a move to strengthen their weak run defense. The Giants, who finished 30th in run defense last season, announced the signing Wednesday.
Impact: Ellis spent his first four seasons with the Jets, playing in 47 games with five starts. The 6-foot-4, 346-pounder had 66 career tackles, one sack and a forced fumble.
The Baltimore Ravens released running back Bernard Pierce on Wednesday, hours after he was charged with drunken driving. Baltimore County police said an officer stopped a Ford Mustang that was speeding around 2 a.m. Wednesday in Towson, north of Baltimore. Police spokesman Cpl. John Wachter says Pierce failed a series of field sobriety tests and was arrested.
Impact: On Wednesday afternoon, the Ravens announced that Pierce, 23, had been cut in a press release consisting of one sentence. The move was in line with the team's assertion last month that off-field misbehavior would not be tolerated.
The Dallas Cowboys are meeting with Hardy as they explore ways to improve a shaky pass rush from last season.
Impact: The 26-year-old Hardy could be suspended to start the season because of a conviction on two counts of domestic violence. The conviction was dismissed in February when his accuser couldn't be found. Hardy remains on the commissioner's exempt list as he seeks reinstatement by the NFL. He played in the opener last year before he was suspended. Hardy tied a Carolina franchise record with 15 sacks in 2013.
The Oakland Raiders have signed Richardson.
Impact: The Raiders will be Richardson's third team since coming out of Alabama as one of the most heralded running backs in years. He was drafted by Cleveland and rushed for 950 yards and 11 touchdowns as a rookie. Richardson is averaging just 3.3 yards per carry in his career.
The San Francisco 49ers have signed free agent offensive lineman Erik Pears to a two-year contract. The team announced the deal on Tuesday.
Impact: Pears spent the past five seasons in Buffalo and started all 16 games the past two years. Pears played right guard in 2014 and right tackle the previous year and will provide some needed versatility for a San Francisco line that lost starting left guard Mike Iupati in free agency.
Newman has visited Minnesota, considering the possibility of reuniting with Vikings coach Mike Zimmer.
Impact: The Vikings confirmed Tuesday that Newman met with team officials. The 36-year-old played the last three seasons with Cincinnati, two with Zimmer as defensive coordinator. Zimmer previously held that role in Dallas, covering Newman's first four years in the NFL. The fifth overall draft pick in 2003, Newman had 32 of his 37 career interceptions with the Cowboys through 2011.
The Vikings re-signed Harris.
Impact: Harris started the final five games last season at right tackle as a fill-in for injured starter Phil Loadholt. He spent his previous two years in the NFL with the San Diego Chargers.
The San Diego Chargers have agreed to terms of a three-year contract with Johnson, who's looking to bounce back after two down years.
Impact: Johnson became the first player in Buffalo Bills history to have three straight 1,000-yard seasons, from 2010-12. His best season was 2010, when he had 82 catches for 1,073 yards and 10 TDs. His production fell off the last two seasons. In 2013, his last with Buffalo, he had 52 catches in 12 games, for 597 yards and three scores. Last year with San Francisco, he caught 35 passes for 435 yards and three touchdowns.
The Browns plugged two defensive holes opened in free agency Monday, signing cornerback Tramon Williams and agreeing to terms with lineman Randy Starks.
Impact: A two-time Pro Bowl selection, the 31-year-old Starks was released by Miami last week after seven seasons. He had 4 1/2 sacks last year.
Wilfork has signed with the Houston Texans.
Impact: Wilfork announced the decision on Twitter on Monday. The 33-year-old has spent his entire 11-year career with the Patriots. Now he'll join a Houston unit led by Defensive Player of the Year J.J. Watt and that features last year's No. 1 overall pick Jadeveon Clowney. The 6-foot-2, 325-pound Wilfork started all 16 games for the Patriots last year and had 47 tackles and an interception.
Tebow worked out Monday for the Philadelphia Eagles, a person familiar with the session tells The Associated Press. The person spoke on condition of anonymity because the workout was not made public.
Impact: Tebow has not been on an NFL team since the 2012 season. He was released by the Jets, then attended training camp in the summer of 2013 with the Patriots, who cut him. One of the most successful college quarterbacks at Florida and winner of the 2007 Heisman Trophy, Tebow started 14 games for Denver over two years after being selected in the first round of the 2010 draft. He won one playoff game with the Broncos, who released him when they signed Peyton Manning.
The Panthers have announced they've signed Coleman to a two-year contract. Financial terms of the deal Monday were not released.
Impact: The 5-foot-11, 200-pound Coleman has started 32 games during his five-year NFL career, including three last season with the Chiefs registering 37 tackles and three interceptions. He was a regular starter for the Philadelphia Eagles in 2011 and 2012. He has 258 career tackles and 10 interceptions for his career. The 26-year-old Coleman is expected to challenge veteran safety Roman Harper for a starting job.
The Cowboys have signed linebackers Jasper Brinkley and Gachkar after losing a couple of starters in free agency.
Impact: Gachkar, who also plays on special teams, played 63 games in four seasons after San Diego drafted him in the seventh round in 2011.
The Browns plugged two defensive holes opened in free agency Monday, signing cornerback Tramon Williams and agreeing to terms with lineman Randy Starks.
Impact: Williams, who turned 32 on Monday, spent the past eight seasons with the Green Bay Packers. The 6-footer has been durable, missing just one start in the past five seasons. Browns general manager Ray Farmer called Williams "a really good and consistent player" and "a pro's pro who believes great preparation leads to great performance."
Brown and offensive lineman John Jerry are returning to the New York Giants. The Giants announced the signings Monday after confirming late last week that the two had agreed to terms. Contract terms were not immediately available.
Impact: Brown was picked up off waivers from Baltimore in November and played in eight games, starting the last four. A fifth-round draft choice by the Ravens in 2011, he played 3 1/2 seasons in Baltimore before his release.
Johnson has signed with the Washington Redskins after four seasons as a backup with the Seattle Seahawks.
Impact: The Redskins announced the deal Monday, their latest in a series of free agency moves for the defense. Johnson joins four other players brought in by new general manager Scot McCloughan for that side of the ball: cornerback Chris Culliver and linemen Terrance Knighton, Stephen Paea and Ricky Jean-Francois.
Borland has told ESPN's "Outside the Lines" that he is retiring following his standout rookie season because of concerns about head trauma.
Impact: The 24-year-old Borland had a team-leading 108 tackles in his stellar rookie season, emerging as a punishing defender. He also had a sack and two interceptions.
The Cowboys have signed Brinkley and Andrew Gachkar after losing a couple of starters in free agency.
Impact: Brinkley spent five of his first six years with Minnesota after the Vikings drafted him in the fifth round in 2009. He played in 48 games, with 19 starts, over four seasons.
Chykie Brown and Jerry are returning to the New York Giants. The Giants announced the signings Monday after confirming late last week that the two had agreed to terms. Contract terms were not immediately available.
Impact: Signed as a free agent last season, Jerry started all 16 games at right guard. The move gives the Giants depth, with tackles Will Beatty and Justin Pugh returning along with guard Weston Richburg, who is moving to center, and guard Geoff Schwartz, who missed most of last season with a foot injury. New York also signed Canadian lineman Brett Jones. Jerry has started 49 consecutive games in the NFL. He is entering his sixth season.
The Tennessee Titans have agreed to terms with cornerback Perrish Cox.
Impact: Cox said Saturday via text message to The Associated Press that he had reached a three-year deal with Tennessee. The Titans made it official Monday, but the team did not release terms of the deal. Cox, a four-year veteran from Oklahoma State, is coming off his best season. He started 14 games and had five interceptions for the San Francisco 49ers.
The Oakland Raiders have released Matt Schaub less than one year after acquiring him to be their starting quarterback.
Impact: Schaub was beaten out for the starting job by rookie Derek Carr last year and was released Monday just days after Oakland signed Christian Ponder as a backup. Schaub threw just 10 passes in his one season with the Raiders with two interceptions. His biggest contribution came when he took over the holding duties from punter Marquette King.
Ducasse has agreed to a one-year contract with the Chicago Bears.
Impact: Ducasse has made 11 starts and played in 63 games over five seasons with the New York Jets (2010-13) and Minnesota Vikings (2014). A native of Port-au-Prince, Haiti, the 6-foot-5, 325-pound Ducasse played at UMass before getting drafted by the Jets in the second round in 2010.
The Bengals agreed to a four-deal deal with end Michael Johnson on Sunday, bringing back a player who was a key part of their defense. Johnson left as a free agent and played last season with Tampa Bay, which released him last week.
Impact: With Johnson, the Bengals had one of the NFL's top defenses, finishing third in yards allowed in 2013. Without Johnson, the unit slipped to 22nd overall last season. Although injuries to their linebackers were a big factor, they also failed to get much out of their line.
Cox has agreed to a three-year contract with the Titans, giving Tennessee a much-needed veteran in the secondary. Cox confirmed the deal to The Associated Press by text message Saturday night.
Impact: Cox, 28, spent the past two seasons in his second stint with San Francisco, and is coming off his best year. The four-year veteran started 14 games and intercepted five passes while also having 53 tackles.
The Minnesota Vikings have released wide receiver Greg Jennings, who would have counted $11 million against their salary cap this season. The move was made Saturday.
Impact: Over two years with the Vikings, Jennings totaled 1,546 yards and 10 touchdowns receiving. He led them last season with 742 yards and six touchdowns.
Smith signed a two-year, $5.65 million deal with the Denver Broncos after visiting the Seattle Seahawks.
Impact: Smith has kept a home in Denver since leaving Colorado State for the NFL in 2010, when Broncos coach Gary Kubiak, then with the Houston Texans, drafted him in the sixth round. Smith didn't get to play for the Texans that year because he was hurt, but he did get a crash course in the zone-blocking scheme,so Kubiak likes him.
Bush has signed a one-year a deal with the San Francisco 49ers.
Impact: The team announced the deal Wednesday. Bush had reached agreement Saturday after his visit to team headquarters and Levi's Stadium last Wednesday. Bush played in only 11 games with nine starts last season for the Lions because of injuries, including an ankle issue. He carried 76 times for 297 yards and two touchdowns.
The Baltimore Ravens and safety Kendrick Lewis have reached agreement on a three-year contract.
Impact: The 26-year-old Lewis started in 16 games with the Houston Texans last season. He had 84 tackles, three forced fumbles and two interceptions.
The Chiefs and Parker agreed on a five-year, $30 million contract, a person familiar with the negotiations told The Associated Press. The person spoke on condition of anonymity because the Chiefs, who do not disclose contract terms, had not announced the signing.
Impact: Parker's hometown newspaper, The Beaufort Gazette of South Carolina, was the first to report that the free agent was returning to Kansas City. His play was critical to the success of one of the league's best defenses after Pro Bowl safety Eric Berry was diagnosed with lymphoma. Berry is still undergoing treatment for the disease, so Parker's decision to return also looms important for next season.
The Buffalo Bills have agreed to terms with defensive end Jarius Wynn. The team announced the deal Saturday.
Impact: Wynn had 17 tackles, two sacks, two tackles for loss and one fumble recovery in his first season with the Bills.
Culliver has joined the Washington Redskins, leaving the San Francisco 49ers after four years marked by off-field issues.
Impact: In his first two seasons, Culliver was usually used as San Francisco's third cornerback. He missed the 2013 season with a torn ACL in his left knee. He drew attention for anti-gay remarks made during Super Bowl media day in 2013, and for an arrest in March 2014 on suspicion of felony hit-and-run and reckless driving.
The Oakland Raiders signed Ponder on Friday.
Impact: Ponder, who spent the last four seasons with the Vikings, will be reunited in Oakland with new Raiders offensive coordinator Bill Musgrave, who worked with Ponder while serving in the same position with Minnesota from 2011 to 2013. In Oakland, the former Vikings starter will be vying to back up Derek Carr. For his career, Ponder has played in 38 games with 36 starts, throwing for 6,658 yards with 38 touchdowns and 36 interceptions.
The New Orleans Saints say Spiller has agreed to a four-year contract with the club, bolstering a backfield that also includes Mark Ingram and Khiry Robinson.
Impact: The 27-year-old Spiller has spent his first five NFL seasons with the Buffalo Bills, showing the ability to pile up yards as both a ball carrier and receiver out of the backfield. His best season came in 2012, when he rushed for 1,244 yards and six touchdowns to go with 459 yards and two TDs receiving. He played in only nine games last season because of a shoulder injury, finishing with 300 yards rushing.
The agent for Brian Orakpo says the former Washington Redskins outside linebacker has agreed to terms with the Tennessee Titans.
Impact: Ben Dogra of Relativity Sports said Orakpo has agreed on a four-year deal worth up to $35 million, with a base of $31 million. Dogra said that Orakpo is "really happy to be a Tennessee Titan."
Harvin is rejoining Rex Ryan, agreeing to a one-year contract with the Buffalo Bills.
Impact: Two people familiar with the deal tell The Associated Press on Friday that the wide receiver-kick returner is headed to Buffalo. He was released this month by the Jets after playing for Ryan last season in New York. The Jets acquired the versatile Harvin from Seattle last October, but he was due $10.5 million in base salary in 2015. Harvin had 29 catches for 350 yards and a touchdown in eight games with the Jets.
The Titans have agreed to terms with Ryan Succop.
Impact: Succop was 19 of 22 on field-goal attempts last year in his first season with the Titans after spending his first five years with Kansas City. The 28-year-old Succop has made 81.7 percent of his career field-goal attempts.
The St. Louis Rams agreed to terms with defensive tackle Nick Fairley on a one-year free agent deal.
Impact: Fairley comes over from Detroit. He was brought into a news conference as a joke to St. Louis media expecting Nick Foles, showcasing coach Jeff Fisher's keen sense of humor.
Brown is returning to the New York Giants. A person with knowledge of the move who requested anonymity because the Giants had not announced it confirmed the agreement Friday. Contract terms were not immediately available.
Impact: Brown, entering his fifth NFL season, played eight games with the Giants after being awarded on waivers from Baltimore. The 28-year-old started four games and finished with 31 tackles and two passes defended.
The Saints have acquired Ellerbe from Miami.
Impact: New Orleans traded Kenny Stills to the Dolphins in exchange for Ellerbe and a third-round pick. Ellerbe, a six-year veteran, played in only one game last season due to a hip injury, and he was a target to be released by Miami before the trade Friday. He was due to make $8.4 million this season, but agreed to a restructuring of his contract with New Orleans.
The Dallas Cowboys have agreed to a contract with Darren McFadden a day after losing NFL rushing champ DeMarco Murray to NFC East rival Philadelphia.
Impact: McFadden had seven mostly disappointing seasons in Oakland after the Raiders drafted him fourth overall in 2008. His agent, Ian Greengross, tweeted Friday that McFadden was joining the Cowboys. The deal is reportedly for two years and worth up to $5.9 million.
The Titans have agreed to terms with Fasano.
Impact: Fasano has 253 career catches for 2,799 yards and 31 touchdowns in a nine-year career with the Dallas Cowboys, Miami Dolphins and Kansas City. The 30-year-old Fasano caught 25 passes for 226 yards and four touchdowns last season. His arrival gives Tennessee more experience and depth at the tight end position to go along with Delanie Walker, who had 63 catches for 880 yards to lead the team in both categories last season.
A person with direct knowledge of the deal tells The Associated Press the Minnesota Vikings have acquired Wallace from the Miami Dolphins.
Impact: The Vikings will send a fifth-round draft pick to the Dolphins for their seventh-round selection in the swap, two years after the Vikings tried to sign Wallace. Dolphins coach Joe Philbin benched Wallace in the second half of their final game last season after an argument between the 28-year-old and the coaching staff. Wallace led Miami with 10 touchdowns in his second season with the team.
The Titans have agreed to terms with Morgan.
Impact: Morgan, 26, has spent his entire five-year career with the Titans. He has 23 career sacks, including a team-leading 6 1/2 last season. He also had 82 overall tackles and 13 tackles for loss to set career highs in both categories.
The Detroit Lions have re-signed Abdul-Quddus to a one-year contract and linebacker Josh Bynes to a two-year deal.
Impact: Abdul-Quddus joined the Lions as a free agent in 2014 and added depth to the secondary. He played in all 16 games last season, including four starts.
Sanders has some stiff competition now to fend off for the Jags.
Impact: The Jaguars have signed receiver/return specialist Bryan Walters, who is expected to compete with Sanders for the punt return job.
The Titans have agreed to terms with Klug.
Impact: Klug, 26, has 14 1/2 sacks in a four-year career spent entirely in Tennessee. He had 31 tackles and two sacks last season.
Cameron says he's eager to continue his NFL career despite three concussions in the past three seasons, including one that forced him to miss five games in 2014.
Impact: Cameron chose the Dolphins over an offer from the Browns, and he said other teams also pursued him. Even so, he said his concussions might have hurt his market value.
The Jacksonville Jaguars have signed receiver/return specialist Bryan Walters.
Impact: Walters, who entered the NFL as an undrafted rookie with San Diego in 2012, has appeared in 21 games with the Chargers, Minnesota and Seattle. His career totals include nine receptions for 84 yards and 35 punt returns for 252 yards. He played in a career-high 13 games in 2014 for the Seahawks, where he caught six passes for 57 yards and averaged 7.7 yards on 27 punt returns. He's expected to compete with Ace Sanders for the punt return job in Jacksonville.
New Orleans has released White.
Impact: White was a first-round pick in 2012 and started 19 games for New Orleans, recording four interceptions.
Stills has been traded to Miami.
Impact: The Saints shipped Stills to the Dolphins in exchange for linebacker Dannell Ellerbe and a third-round draft pick. Stills, 22, started only six games last year but had 63 receptions for 931 yards and three touchdowns. He had just 32 catches as a rookie in 2013, but averaged 20 yards per receptions and scored five times.
The Pittsburgh Steelers say they have agreed with quarterback Ben Roethlisberger on a contract extension.
Impact: The team announced the deal Friday on Twitter without giving details. The move keeps the two-time Super Bowl winner in Pittsburgh beyond a previous deal that was set to expire after the 2015 season. The 33-year-old cornerstone of the franchise threw for 4,952 yards last season, breaking his own team record and tying with Drew Brees for the most yards passing in 2014. Roethlisberger also had 32 touchdowns and nine interceptions.
The Detroit Lions have re-signed Bynes to a two-year deal.
Impact: Bynes joined the Lions early last season via the Baltimore Ravens' practice squad.