16. Even as the team undergoes the usual changes from a complete regime overhaul, running the ball remains a key component to their success. For years LeSean McCoy has been their bell cow but he’s beginning his approach to that dreaded 30-year old barrier. This means it might be wise to find his heir apparent sooner than later. Derrius Guice has established himself as the best running back in the 2018 class not named Barkley. He’s low to the ground, well-built, strong, boasts solid speed and the vision to see where the holes will be as they develop. Handling heavy workloads has not proven an issue for him.. RB. LSU. Derrius Guice . 30. player