Through four games, Cowboys RB DeMarco Murray leads the NFL in rushing yards, touchdowns and attempts. (Photo by Tom Pennington/Getty Images)
10. Green Bay Packers (2-2)
11. San Francisco 49ers (2-2)
12. Houston Texans (3-1)
13. Chicago Bears (2-2)
14. Indianapolis Colts (2-2)
Andrew Luck has thrown for 370+ yards in three of four games this year, and the Colts are finally playing like the AFC South favorites. (Photo by Andy Lyons/Getty Images)
15. Kansas City Chiefs (2-2)
16. Pittsburgh Steelers (2-2)
17. Carolina Panthers (2-2)
18. New England Patriots (2-2)
19. Buffalo Bills (2-2)
20. Atlanta Falcons (2-2)
21. New York Giants (2-2)
Giants TE Larry Donnell, especially early on, looked like this year's version of Julius Thomas. (Photo by Rob Carr/Getty Images)