I'll list their College numbers and then see if those numbers are available on their new teams. [College Number / NFL Number]

1. DOLPHINS - Long, Jake (OT): wore #77 at MICHIGAN/ #77 taken already, nothing listed yet
2. RAMS - Long, Chris (DE): wore #91 at VIRGINIA / Leonard Little is #91, nothing listed yet
3. FALCONS - Ryan, Matt (QB): wore #12 at BC / listed as #2
4. RAIDERS - McFadden, Darren (RB): wore #5 at ARKANSAS / nothing listed yet
5. CHIEFS - Dorsey, Glenn (DT): wore #72 @ LSU / listed as #72
6. JETS - Gholston, Vernon (DE): wore #50 at OSU / nothing listed yet
7. SAINTS -Ellis, Sedrick (DT): wore #49 at USC / nothing listed yet
8. JAGUARS - Harvey, Derrick (DE): wore #91 at FLORIDA/ #91 is taken, 99 maybe
9. BENGALS - Rivers, Keith (LB): wore #55 at USC / #55 is taken, nothing listed yet
10. PATRIOTS - Mayo, Jerod (OLB): wore #7 at TENNESSEE / #55, 56 and 57 are open, nothing listed yet
11. BILLS - McKelvin, Leodis (CB): wore #34 at TROY / listed as #28
12. BRONCOS - Clady, Ryan (OT): wore #79 at BOISE STATE / #79 is taken, nothing listed yet
13. PANTHERS - Stewart, Jonathan (RB): wore #28 at OREGON / listed as #29
14. BEARS - Williams, Chris OT: wore #74 at VANDERBILT / #74 is open, but nothing listed yet
15. CHIEFS - Albert, Branden OG: wore #71 at VIRGINIA / listed as #76
16. CARDINALS - Rodgers-Cromartie, Dominique CB: wore #45 at TENNESSEE STATE / listed as #29
17. LIONS - Cherilus, Gosder OT: wore #77 at BC / #77 is taken, nothing listed yet
18. RAVENS - Flacco, Joe QB: wore #5 at DELAWARE / listed as #5
19. PANTHERS - Otah, Jeff OT: wore #76 at PITT / listed as #79
20. BUCCANEERS - Talib, Aqib CB: wore #3 at KANSAS / nothing listed yet
21. FALCONS -Baker, Sam OT: wore #79 at USC / nothing listed yet
22. COWBOYS - Jones, Felix RB: wore #25 at ARKANSAS / nothing listed yet
23. STEELERS - Mendenhall, Rashard RB: wore #5 at ILLINOIS / nothing listed yet
24. TITANS - Johnson, Chris RB: wore #5 at EAST CAROLINA / nothing listed yet
25. COWBOYS - Jenkins, Mike CB: wore #4 at SOUTH FLORIDA / nothing listed yet
26. TEXANS - Brown, Duane OT: wore #76 at VIRGINIA TECH / listed as #76
27. CHARGERS - Cason, Antoine CB: wore #5 at ARIZONA / listed as #20
28. SEAHAWKS - Jackson, Lawrence DE: wore #96 at USC / nothing listed yet
29. 49ERS - Balmer, Kentwan DE: wore #90 at UNC / listed as #67
30. JETS - Keller, Dustin TE: wore #28 at PURDUE/ nothing listed yet
31. GIANTS - Phillips, Kenny FS: wore #1 at MIAMI / nothing listed yet