I think Williams POTENTIALLY possess the biggest challenge to Floyd. He has the reach, height, and punch output to give Floyd problems. I just think RIGHT NOW he still is a little green. His fight against Margarito was impressive...but i think he needs to sharpen his skills a little more. I think if he continues to improve as a fighter...he can be a true force to be reckoned with. The only problem is...i don't see Floyd fighting Williams anyways...because he can be a stylistic nightmare for him and right he isn't a big name. It could be a case of a lot of risk and not enough reward ($$$) for Floyd.