Bah, I think too much is made of his weight. He has better cardio than 90% of the HW's and he was sick when he fought Mir so IDK how you can use that against him.
If he's health he can go five rounds and take a beating doing it if he must. He's a good fighter that belongs in the top ten IDK why people as so bias.
His cardio sucks
There is a reason that in the UFC he has never won a fight that has got out of the first round