Hey man, you can use the search function or Google search in order to find and bump old threads related to your needs. They usually have top information from older posts.
He's up there, but I think a good way behind Ali. Greb was my first instinct, but I think too many of his best wins were at Light Heavy
You right, Im the first who wanna be far from being repetitive. The fact is sometimes Im in hurry and dont look better on google. Lol