The running back position once again reigns supreme in fantasy football. There seemed to be a trend leaning toward wide receiver dominance given the consistency of the guys at the top, but the elite play of the NFL’s best running backs over the past few seasons quickly put a stop to that. When preparing for your draft, you want to separate your running backs into tiers so you can find the best values without sacrificing production. Here is the fourth installment of Blood, Sweat, and Tiers. The first article on the rookies is here. The second on my likes and dislikes is here. Tier 4 is here.