Brandon Moreno has twice been the UFC's flyweight champion -- and he could soon have a chance to win it for a third time -- but, the Mexican MMA star is on the hunt for a goal even bigger than gold ... he wants to be the greatest ever!
"Man, I want to be one of the best," Moreno told TMZ Sports this week ... "I want to be of the history of the flyweight division. I won the title twice in the past, but I feel I have to do a little bit more, you know?