Hustle Belt is doing a Top 68 Returning Players before the start of this season:

So far it has been:
68: Austin Boucher QB (Miami)
67: Jared Volk OL (NIU)
66: Anthony Melchiori P (Kent)
65: Patrick Clarke K (Buffalo)
64: Jawon Chisholm RB (Akron)

And at 63 the first Bobcat came in... Jon Lechner (OL)
http://www.hustlebelt.com/2013-mac-football-player-rankin..