Laron Mitchell. He have size.Good combination punching.Good jab.Letdown is his slowness. Has beaten Dominic Breazeale in olympic trials,for London olympic games.Has beaten Lenroy Thompson,Danny Kelly,Dominic Brazaele. https://www.youtube.com/watch?v=VHiHk9nlHJE. In this fight,he shows jab with combination punching.Beautiful thing to watch. https://www.youtube.com/watch?v=M0SVMu3YX8o. His boxing skills,on display here. https://www.youtube.com/watch?v=11AXzY-5i9A. You can see in interview,he is humble man.
A pal of mine lists his top 100 heavy prospects. Enjoy! http://boxning.blogspot.com/2013/11/top-100-heavyweight-prospects.html
of all the guys mentioned by the thread starter....hughie fury is the only one that looks like he has anything.