These would be my three picks.
When it comes down to as many question mark players as these, I look to veterans. Let's be real: rookies are a crap shoot. Boldin was not drafted in any leagues last year, and look where he ended up.
Not that the coach's word means anything, but talk from Dennis Green about Shipp is positive, and that's better than him saying they have no run game
Garner, re-united with Gruden, will be ok. He was nothing stellar last season, and he won't be stellar this season, but he will be an o.k. 2nd RB.
Buckhalter simply because he looks the best out of the Eagle's RB committee and will hopefully gets some more looks.
Will one of the rookies out of the list be amazing - who really knows. That's where jumping on the free agent market is key.
Anything can happen on any given Sunday.