I won't even get into shit unless it's same old "ali vs. Tyson" crap. I just get sick of it.
Here's why Vitali would have much more of a chance against any of those guys that some seem give him:
HE'S A SCARY, SCARY, SCARY MAN.
Not only is he big, he's smart, and he uses his size. He knows how to pace himself. He has a nearly pornographic jab, hook, 1-2, and just finished a fight with a double uppercut. He's not only looked amazing against everybody since Lewis, he's practically looked bored. Even against Sanders, who had him nervous for obvious reasons, plus he's a southpaw.
Every boxer that size has had his moment and then disapeared, cause their body can't handle the stress. Cause they can't adjust when somebody figures their game out. Vitali doesn't have much, if any, of those problems. he's smart, he comes in with a strategy and a few back up strategies, he conserves his energy, and he just about destroyed a top journeyman's eye with his jab after 2 rounds in case you guys missed it. He may not be the most technical, but he's pretty friggin' technical, and he's pretty friggin' big too. The guy has more than a chance of beating any of the top legends in their prime.