San Francisco 49ers All-Pro linebacker Patrick Willis has undergone surgery on his right knee to remove an inflamed fluid sac that kept him out of this year's Pro Bowl.

The 49ers said the surgery, considered minor and done about a week ago, was performed by Dr. Tim McAdams and Dr. Gary Fanton at Stanford Hospitals and Clinics in nearby Redwood City.

Spokesman Bob Lange said there is no infection and no structural damage. The team will not put a timetable on Willis' return, but he isn't expected to be sidelined for long. The team will adjust his offseason conditioning and regimen as he rehabilitates.

Multiple media outlets are reporting that the Cardinals have agreed to terms with QB Derek Anderson and will make an official announcement to that effect Wenesday afternoon. The Cardinals were in need of QB help with Kurt Warner having retired and 2009 No. 3 QB Brian St. Pierre becoming an unrestricted free agent. Both Anderson, who was released March 9 by the Broncos, and Chargers RFA QB Charile Whitehurst had made visits to Arizona in the past week.

The 27-year old Anderson is expected to get a shot at competing for the Cardinals' No. 1 QB job with former first-round draft pick Matt Leinart. Cardinals head coach Ken Whisenhunt has indicated that Leinart would not just be handed the starting role, and the arrival of the strong-armed Anderson figures to create aa healthy competition. Anderson made the Pro Bowl in 2007 when he threw 29 TD passes and led the Browns to a 10-6 record. Since then, however, his career in Cleveland had steadily declined. Last season the Browns went 3-4 with Anderson as the starter. The 6-6 signal caller registered an abysmal 42.1 QB rating in 2009 with a 3-10 TD-interception ratio.

Five days ago, the Philadelphia Eagles addressed the defensive side of the football when they signed free agent safety Marlin Jackson.

Tuesday, the Birds made a move on Donovan McNabb's side of the football.

The Eagles have reached an agreement with restricted free agent running back Mike Bell, according to Adam Schefter of ESPN.com.

Per Schefter, it's a one-year contract worth $1.7 million with $500,000 guaranteed. Including all of the incentives, Bell's deal could be worth up to $2 million.

Stanford running back Toby Gerhart has been scheduled for private workouts with the Denver Broncos and the New York Jets, according to a league source.

Gerhart is set to work out for the Broncos on March 24 and the Jets on March 30.

Winning the Doak Walker award as the nation?s top running back last season, Gerhart rushed for 1,871 yards and 27 touchdowns.

Gerhart ran the 40-yard dash in 4.55 seconds at the NFL scouting combine and also registered a 38-inch vertical leap.

The Heisman Trophy finalist also scored the highest Wonderlic score among the running backs with a 30 and bench pressed 225 pounds 22 times.

The San Francisco 49ers have signed free agent quarterback David Carr to a two-year deal and agreed to terms with Detroit on a trade that would send backup quarterback Shaun Hill to the Lions for a 2011 draft pick.

General manager Scot McCloughan said Monday that Carr will provide depth at quarterback. We added a player at a position of need and of huge importance to us, McCloughan said in a statement.

Carr, an eight-year NFL veteran, was drafted No. 1 overall by the Houston Texans in 2002. He spent the past two seasons as a backup to Eli Manning with the New York Giants.

Carr, who last started a game in 2007 for the Carolina Panthers, has completed 1,346 passes for 14,366 yards and 65 touchdowns in his career.

Agent Tom Condon confirmed Sunday night that his client, RB LaDainian Tomlinson, has agreed to a two-year deal with the Jets, a signing that will be announced by the team Monday.

Tomlinson, who was released by the Chargers on Feb. 22, visited Minnesota and New York before choosing the Jets.

The future Hall of Famer will team with second-year RB Shonn Greene in the Jets' backfield, replacing Thomas Jones, who was released and later signed with the Chiefs.

Tomlinson, who turns 31 in June, has seen his skills diminish the past two seasons, though he still is considered a strong pass catcher, a solid blocker in pass protection and has a nose for the goal line, with 12 touchdowns last season and double-digit rushing scores each of his nine NFL seasons.

Brady Quinn has a new NFL home.

The Cleveland Browns have traded him to the Denver Broncos in exchange for Peyton Hillis and a pair of conditional draft picks, according to FOX Sports' Jay Glazer.

The handwriting was on the wall for Quinn once Mike Holmgren got to town and began making moves.

He cut Derek Anderson, traded for Seneca Wallace and has signed Jake Delhomme. Now, Quinn is an ex-Brown.