When evaluating running backs, you need to look beyond just yards per carry. All yards are not created equal. Gaining 5 yards on 3rd and 4 is much more important than gaining 5 on 3rd and 10. That is the basis of the success rate - it aims to see how well a player produces based on the parameters of the situation. Enough mumbo jumbo, let’s see who were the SEC’s top 5 least successful rushers from last season: