Ilia Topuria became the 10th UFC two-division champion ever at UFC 317. So, who are the best champ-champs in history?

PFL star Larissa Pacheco is offering to train with Amanda Nunes to help prepare "The Lioness" for her fight with Kayla ...

Former UFC middleweight champion Israel Adesanya was quick to defend his once-former rival as he had an awkward altercation ...