Updated 12:24 p.m. ET on Sunday, Dec. 30

Here are PFW's Week 17 RB rankings:

1. Adrian Peterson, Vikings vs. Packers
2. C.J. Spiller, Bills vs. Jets
3. Arian Foster, Texans at Colts                
4. Alfred Morris, Redskins vs. Cowboys
5. Marshawn Lynch, Seahawks vs. Rams
6. Knowshon Moreno, Broncos vs. Chiefs
7. Stevan Ridley, Patriots vs. Dolphins
8. Jamaal Charles, Chiefs at Broncos
9. Doug Martin, Buccaneers at Falcons
10. Matt Forte, Bears at Lions
11. Shonn Greene, Jets at Bills
12. Chris Johnson, Titans vs. Jaguars
13. Reggie Bush, Dolphins at Patriots
14. Darren McFadden, Raiders at Chargers
15. DeMarco Murray, Cowboys at Redskins
16. DeAngelo Williams, Panthers at Saints
17. Darren Sproles, Saints vs. Panthers
18. Frank Gore, 49ers vs. Cardinals
19. LeSean McCoy, Eagles at Giants
20. Mark Ingram, Saints vs. Panthers
21. BenJarvus Green-Ellis, Bengals vs. Ravens
22. Steven Jackson, Rams at Seahawks
23. Ahmad Bradshaw, Giants vs. Eagles                               
24. Mikel Leshoure, Lions vs. Bears
25. Bernard Pierce, Ravens at Bengals (UP)
26. Vick Ballard, Colts vs. Texans
27. Jackie Battle, Chargers vs. Raiders
28. David Wilson, Giants vs. Eagles
29. Bilal Powell, Jets at Bills
30. Jonathan Dwyer, Steelers vs. Browns
31. Keith Toston, Jaguars at Titans (ADDED)
32. Danny Woodhead, Patriots vs. Dolphins
33. Ray Rice, Ravens at Bengals (DOWN)
34. Joique Bell, Lions vs. Bears
35. Montario Hardesty, Browns at Steelers
36. Ryan Grant, Packers at Vikings
37. Peyton Hillis, Chiefs at Broncos
38. Ben Tate, Texans at Colts
39. Michael Turner, Falcons vs. Buccaneers
40. Alex Green, Packers at Vikings                         
41. Lamar Miller, Dolphins at Patriots
42. Jacquizz Rodgers, Falcons vs. Buccaneers
43. Ronnie Brown, Chargers vs. Raiders                               INJ
44. Beanie Wells, Cardinals at 49ers
45. Mike Tolbert, Panthers at Saints
46. Chris Ivory, Saints, Saints vs. Panthers
47. Bryce Brown, Eagles at Giants
48. LaMichael James, 49ers vs. Cardinals
49. LaRod Stephens-Howling, Cardinals at 49ers
50. Robert Turbin, Seahawks vs. Rams
51. Rashard Mendenhall, Steelers vs. Browns
52. Khalil Bell, Bears at Lions
53. Mike Goodson, Raiders at Chargers
54. Keith Toston, Jaguars at Titans (DOWN)
55. Jamie Harper, Titans vs. Jaguars                                       INJ
56. DuJuan Harris, Packers at Vikings
57. Ronnie Hillman, Broncos vs. Chiefs
58. Isaac Redman, Steelers vs. Browns
59. Daryl Richardson, Rams at Seahawks
60. Justin Forsett, Texans at Colts
61. Toby Gerhart, Vikings vs. Packers
62. John Kuhn, Packers at Vikings
63. William Powell, Cardinals at 49ers
64. Armando Allen, Bears at Lions                                          INJ

Not listed: Fred Jackson, Bills; Rashad Jennings, Jaguars; Maurice Jones-Drew, Jaguars; Ryan Mathews, Chargers; Willis McGahee, Broncos; Montell Owens, Jaguars; Trent Richardson, Browns; James Starks, Packers; Jonathan Stewart, Panthers; Pierre Thomas, Saints

We base our rankings on the following scoring system: For skill-position players, one point for every 10 rushing/receiving yards, one point for every 30 passing yards, six points for a TD run or catch, four points for a TD pass, two points for a two-point conversion run or catch, two points for a two-point conversion pass. For kickers, three points for FGs of 18-39 yards, four points for FGs of 40-49 yards, and five points for FGs of 50-plus yards. Defensive rankings are based primarily on points allowed, yardage allowed and sack potential.

Glossary of notations

INJ — player has an injury that may affect productivity or availability.
ILL — player has an illness that may affect productivity or availability.
UP — player was moved up on draft board after original posting.
DOWN — player was moved down on draft board after original posting.
Not listed — player is temporarily sidelined due to injury or suspension but otherwise would be ranked.
ACTIVE — on game day, player has been designated active (posted shortly before kickoff, when available).
INACTIVE — on game day, player has been designated inactive (posted shortly before kickoff, when available).

Players and/or notations added after the original posting are shown in boldface.

Note: Remember to check back for late-week and weekend updates, as well as game inactives (when available) in the 90 minutes preceding the 1 p.m. Sunday kickoffs.