Of course Serra has scene that fight a million times it is on every highlight reel the UFC has ever made.
But yeah I think serra wins this fight with relative ease to be honest with you. As far as the championship fight goes if it is at 170 i can't see him winning.
"Casualties many; Percentage of dead not known; Combat efficiency; we are winning."
(Colonel David M. Shoup, USMC, Tarawa, 21 November 1943.)