After shinning in a dual backfield, Maurice Jones-Drew will now be the focus of the running game in Jacksonville. (Photo by Jeff Lewis/Sharpshot)

Eagles RB Brian Westbrook is a threat as a runner and receiver out of the backfield. (Photo by Justin Kase Conder/Sharpshot

With 1,110 yards rushing in 2008, LaDainian Tomlinson is coming off a down year by his lofty standards in San Diego. (Photo by Jeff Lewis/Sharpshot)

Michael Turner had 1,699 yards rushing in his first season with the Falcons. (Photo by Ross D. Franklin/Associated Press)

Panthers RB DeAngelo Williams was third in the NFL with 1,515 rushing yards last season. (Photo by Kathy Willens/Associated Press)

The Vikings' Adrian Peterson has 3,101 rushing yards over his first two seasons in the league. (Photo by Jonathan Ferrey/Getty Images)