C.J. Ham

Worth noting fullback C.J. Ham has been the Vikings' lone third-down back for starting offense in limited preseason reps.

Related players: Dalvin Cook, Alexander Mattison

Cook will be a three-down back, but they need a reliable third-down option, the tweet went on to say. That could be Ham, especially if the rookie Mattison isn't up to speed by the time the season starts.