What you're missing is that the little fat blob, being a little fat blob, is a lot more durable than a bloody cruiser who nearly got knocked out by an old man. Even then, little fat blob still got knocked down and he'd never been knocked down before.
Maybe. He's a massive question mark at heavyweight and will be until he's fought someone of note. He also looked a little soft against Witherspoon which suggests he's eating his way into heavyweight. Doesn't bode well