Top 20 Fantasy Rookies

If we have learned anything in recent seasons, it's that rookies can come in and make an instant impact both in the stat sheets and in fantasy football. Owners who drafted Robert Griffin III, Eddie Lacy or Keenan Allen (to name a few) over the last couple of years can attest to that. So, who are the first-year players with the most potential for the 2014 campaign? Here's a look at 20 rookies you should target.