COMIN' PREPARED TMZSports.com
Alex Pereira knows he has his hands full on Saturday with Khalil Rountree ... but, the UFC's light heavyweight champion also has his eye on a future goal that'd put him in a class of his own -- winning a title in a third weight class.
It's never been done before. There are fighters who have been champion in two weight classes -- some even at the same time (Conor McGregor, Henry Cejudo, Daniel Cormier, Amanda Nunes) -- but no fighter has owned belts in three.