Here is a partial list of prominent potential free agents by position:

•WR -- Dwayne Bowe, Deion Branch, Plaxico Burress, Marques Colston, Pierre Garcon, Ted Ginn, DeSean Jackson, Vincent Jackson, Stevie Johnson, Brandon Lloyd, Mario Manningham, Robert Meachem, Laurent Robinson, Eddie Royal, Jerome Simpson, Steve Smith (Eagles), Mike Wallace (RFA), Reggie Wayne, Wes Welker, Roy Williams

•TE -- Jake Ballard (RFA), Martellus Bennett, John Carlson, Fred Davis, Jermichael Finley, Bo Scaife, Jeremy Shockey, Jacob Tamme

•OL -- Jeff Backus, Demetrius Bell, Jacob Bell, Matt Birk, Mike Brisiel, Vernon Carey, Dan Connolly, Brian De La Puente (RFA), Jared Gaither, Ben Grubbs, Andre Gurode, Nick Hardwick, Dan Koppen, Doug Legursky, Deuce Lutui, Todd McClure, Kareem McKenzie, Chris Myers, Carl Nicks, Samson Satele, Jeff Saturday, Jake Scott, Max Starks, Scott Wells, Jeremy Zuttah

•DE -- John Abraham, Cliff Avril, Dave Ball, Raheem Brock, Red Bryant, Calais Campbell, Adam Carriker, Andre Carter, Jonathan Fanene, Israel Idonije, Jason Jones, Robert Mathis, Jeremy Mincey, Cory Redding, Dave Tollefson

•DT -- Brodrick Bunkley, Antonio Dixon (RFA), Aubrayo Franklin, Antonio Garay, Sione Pouha, Shaun Rogers, Paul Soliai

•LB -- Marcus Benard (RFA), Chase Blackburn, Ahmad Brooks, London Fletcher, David Hawthorne, Geno Hayes, E.J. Henderson, LeRoy Hill, D'Qwell Jackson, Bradie James, Jarret Johnson, Manny Lawson, DeAndre Levy (RFA), Curtis Lofton, Jameel McClain, Kirk Morrison, Matt Roth, Barrett Ruud, Ernie Sims, Anthony Spencer, Stephen Tulloch, Erik Walden, Mario Williams

•S -- Jordan Babineaux, Tyvon Branch, Brian Dawkins, Thomas DeCoud, Abram Elam, Dashon Goldson, Deon Grant, Michael Griffin, Chris Hope, James Ihedigbo, Sean Jones, LaRon Landry, Jim Leonhard, Brandon Meriweather, Reggie Nelson, Bob Sanders

NFL free agent market could offer more than 600 players