I'll take a stab at it, with a couple projections that haven't surfaced just yet..
QB
1. Russell Wilson
2. EJ Manuel (Post June 1 addition)
RB
3. Thomas Rawls
4. CJ Prosise
5. Alex Collins
FB
6. John Kuhn (Post June 1 addition)
WR
7. Doug Baldwin
8. Jermaine Kearse
9. Tyler Lockett
10. Paul Richardson
11. Kevin Smith
12. Kenny Lawler
TE
13. Jimmy Graham
14. Luke Willson
15. Nick Vannett
Tackle
16. Garry Gilliam
17. J'Marcus Webb (sigh)
18. Rees Odhiambo
Guard
19. Germain Ifedi (just placing at guard for now, could be tackle as well)
20. Mark Glowinski
21. Kristjan Sokoli
Center
22. Patrick Lewis
23. Joey Hunt
Defensive End
24. Cliff Avril
25. Michael Bennett
26. Frank Clark
27. Chris Clemons
28. Cassius Marsh
Defensive Tackle
29. Jarran Reed
30. Jordan Hill
31. Ahtyba Rubin
32. Quinton Jefferson
33. Brandin Bryant
Linebackers
34. Bobby Wagner
35. KJ Wright
36. David Perkins
37. Kevin Pierre-Louis
38. Mike Morgan
39. Brock Coyle
Safety
40. Earl Thomas
41. Kam Chancellor
42. Kelsie McCray
43. DeShawn Shead
Cornerback
44. Richard Sherman
45. Jeremy Lane
46. Marcus Burley
47. Tharold Simon
48. Brandon Browner
49. Stanley Jean-Baptiste
50. Tye Smith
Specialists
51. Steven Hauschka
52. Jon Ryan
53. Bradley Sowell (LS)
Practice Squad
1. QB Trevone Boykin
2. CB DeAndre Elliot
3. WR Kasen Williams
4. TE Brandon Cottom
5. T Terry Poole
6. RB Zac Brooks
7. LB Eric Pinkins
8. CB Mohammed Seisay
9. TE/DT George Fant
10. S Tyvis Powell