Re: How to replace Mendenhall....
I'd part ways with Mendy as I think his contract is up. He's a serviceable back, but just hasn't lived up to his draft status. Unless he wants to settle for a pretty cheap contract, which I doubt. He was supposedly a steal where we got him.
I like Dwyer. He runs hard and even great backs like AP have dealt with fumbling issues. This day and age having a few good backs is needed as backs are always hurt. A starting back almost never makes it through an entire season. Keep Dwyer. Redman is a decent power back to spell him and Rainey has all the makings to be a quick scat back for 3rd downs.
Keep drafting a back in rounds 4-7 until you hit one you really like. Backs can be found late, it's been proven time and time again.
In this passing league, I'm not a fan of drafting a back really high unless there's someone you believe is a can't miss. We are rarely in a draft position to get a Trent Richardson type guy coming out.