Updated 11:30 a.m. ET, Saturday, Sept. 15

Byes: none

Here are PFW's Week Two RB rankings:

1. Arian Foster, Texans at Jaguars
2. Darren McFadden, Raiders at Dolphins
3. Ray Rice, Ravens at Eagles
4. LeSean McCoy, Eagles vs. Ravens
5. DeMarco Murray, Cowboys at Seahawks
6. Matt Forté, Bears at Packers
7. Adrian Peterson, Vikings at Colts
8. Steven Jackson, Rams vs. Redskins
9. Ahmad Bradshaw, Giants vs. Buccaneers
10. C.J. Spiller, Bills vs. Chiefs
11. Maurice Jones-Drew, Jaguars vs. Texans
12. Chris Johnson, Titans at Chargers
13. Jamaal Charles, Chiefs at Bills
14. BenJarvus Green-Ellis, Bengals vs. Browns
15. Marshawn Lynch, Seahawks vs. Cowboys
16. Stevan Ridley, Patriots vs. Cardinals
17. Reggie Bush, Dolphins vs. Raiders
18. Trent Richardson, Browns at Bengals
19. Darren Sproles, Saints at Panthers
20. Frank Gore, 49ers vs. Lions
21. Doug Martin, Buccaneers at Giants
22. Alfred Morris, Redskins at Rams
23. Donald Brown, Colts vs. Vikings
24. Willis McGahee, Broncos at Falcons
25. Michael Turner, Falcons vs. Broncos
26. Jonathan Stewart, Panthers vs. Saints
27. Shonn Greene, Jets at Steelers
28. DeAngelo Williams, Panthers vs. Saints
29. Michael Bush, Bears at Packers
30. Beanie Wells, Cardinals at Patriots
31. Peyton Hillis, Chiefs at Bills
32. Cedric Benson, Packers vs. Bears
33. Mark Ingram, Saints at Panthers
34. Pierre Thomas, Saints at Panthers
35. Kevin Smith, Lions at 49ers
36. Jonathan Dwyer, Steelers vs. Jets
    
37. Ben Tate, Texans at Jaguars
38. Isaac Redman, Steelers vs. Jets
39. Kendall Hunter, 49ers vs. Lions
40. Jacquizz Rodgers, Falcons vs. Broncos
41. Ryan Williams, Cardinals at Patriots
42. Toby Gerhart, Vikings at Colts
43. Mike Tolbert, Panthers vs. Saints
44. Knowshon Moreno, Broncos at Falcons
45. Vick Ballard, Colts vs. Vikings
46. David Wilson, Giants vs. Buccaneers
47. Curtis Brinkley, Chargers vs. Titans
48. Ronnie Brown, Chargers vs. Titans
49. LeGarrette Blount, Buccaneers at Giants
50. Tashard Choice, Bills vs. Chiefs
51. Roy Helu, Redskins at Rams
52. Danny Woodhead, Patriots vs. Cardinals
53. Shane Vereen, Patriots vs. Cardinals — INJ
54. Robert Turbin, Seahawks vs. Cowboys
55. Ryan Mathews, Chargers vs. Titans — INJ
56. Bernard Scott, Bengals vs. Browns — INJ
57. Brandon Jacobs, 49ers vs. Lions — INJ

Not listed: Fred Jackson, Bills; Rashad Jennings, Jaguars; Mikel Leshoure, Lions; Rashard Mendenhall, Steelers; Daniel Thomas, Dolphins.

The above player rankings are based on expectations for this week only, not for the entire season, taking into account this week's specific matchups and injuries. The initial rankings are compiled before the release of the NFL's early injury report and are updated Thursday to reflect the status of each player.

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.