WW RB for Long Term (1 Viewer)

So I am in a 12 team PPR league with only 4 bench spots.  My RB's are not much to write home about and I'm not sure if any of these WW RB's would be good grabs for more of a season long perspective.  Currently we have the following on our waivers.

Wilkins

Burkhead

Morris

I. Smith

R Freeman (who I drafted then dropped)

CJ Anderson

My current RB are Gordon, Collins, Murray and P. Barber.  

Would you think any of the WW guys are going to out perform what I currently Have?

I think Freeman will out perform both Barber and Murray over the course of the season.

Barber will probably have a TD this week but Freeman is the better talent in the long run

Freeman at least gives you a chance, but your rb's are not horrible.