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

Israel Adesanya became embroiled in a heated verbal exchange with a fan after he made a disrespectful comment about Jon Jones ...

After both men came through UFC 276 with wins, Israel Adesanya and Alex Pereira were booked to face one another at UFC 281 in ...