RIO DE JANEIRO, Brazil — Former UFC lightweight and welterweight champion B.J. Penn is coming back to the Octagon to face Ryan Hall on Dec. 29, and sat down with MMA Fighting at the Nova Uniao training center in Brazil to discuss his UFC 232 fight, why he’s coming back to action, training with Andre Pederneiras, if he thinks Jose Aldo would be successful in a potential move to lightweight, Bellator’s upcoming show in Hawaii, and much more.