Four quick post-NFL combine observations. Three running backs to take note of, one wide receiver to be cautious of. Josh Doctson I noticed some Rotoworld blurbs over the weekend comparing Josh Doctson to DeAndre Hopkins. On the surface, that’s a good comp. Except for one small detail. Josh Doctson will be 23.1 years old at the end of his final college season-year. Hopkins was just 20.5 years...