Fight fans better start taking notice of what Caio Borralho is doing. The Brazilian middleweight is undefeated in the Octagon, and he’s slowly climbed his way up the 185-pound ladder. In his first UFC main event this weekend, “The Natural” will face Nassourdine Imavov in a pivotal showdown. The road to the rankings wasn’t an easy one for the budding contender, as Borralho faced tough opponent after tough opponent.