NFL: Why Dalvin Cook is a better prospect than Leonard FournetteSI NFL writer Chris Burke breaks down why this year's running back draft class could be an all-time great class.SI Staff|Share on FacebookShare on XAdd us on SI NFL writer Chris Burke breaks down why this year's running back draft class could be an all-time great class.Published Nov 17, 2016 | Modified Nov 17, 2016SI STAFFShare on FacebookShare on XHome/NFL