This was pretty long ago, but I don't think Shogun would dominated Wanderlei at all. If they fought 10 times, I honestly think it would be 5-5. Wanderlei has the black belt BJJ ground game, he could take it to the ground when he feels uncomfortable, and he has way more experience than Shogun does.
Having said that, Shogun's pretty crazy too.
favorite MMA fighters
A. Rodrigo Nogueira
Mauricio "Shogun" Rua
Georges St. Pierre