Quote Originally Posted by Pacstraightleft View Post
Wlad, RJJr
Wlad's chin isn't great but not quite glass either. Everyone who has floored or KO'd him are big punchers and he is in the hardest punching division at the end of the day. Roy Jones was never really troubled until he lost all the weight to make Lightheavy again and I truly believe that is what weakened him.

My vote goes for Amir Khan. He's been floored off basically journeymen and viciously KO'd by an unknown.