The Rams' Aaron Donald and the Seahawks' Tyler Lockett are coming off fantastic Week 3 outings -- as is Packers QB Brett Hundley, who showed poise and accuracy. Bucky Brooks grades NFC players.

Minnesota Vikings fans will have to wait until the regular season to see Adrian Peterson. The running back is not expected to play during the preseason.

Sorting out the backfields of NFL rosters can be a difficult task. NFL Fantasy is here to help, with a complete breakdown of all 32 NFL backfields to help you prep for the fantasy football season.

So you have high hopes for your first-round fantasy running back, eh? Michael Fabiano breaks down the NFL's backfields to help you insure your big fantasy investment.