I see us signing Chris Brown to a small contract... hell, we almost signed him the previous offseason. He adds good competition to Benson and when healthy he is a real good RB. But the thing is when healthy, so that is why we carry 4 RB's. Benson, Brown, Peterson, and Wolfe would be a good combo. RB get dinged up thoughout a season, and rather then carrying two FB's, we should just carry 1, with someone on the PS.
Also, McKie ain't going anywhere... he is fine at FB. He isn't an all pro or anything, but he does his job.