Conor McGregor: I'm still a two-weight world champion, UFC is fooling nobody - MMA Fighting
UFC 254: Khabib vs. Gaethje Pits Champ vs. Champ in Highly-Anticipated Lightweight Championship exclusively on ESPN+, ESPN2 and ESPN Deportes - ESPN Press Room U.S.
What the Heck is the UFC Going to do With Another Double Champion? - MMA Sucka
Every Middleweight Champion in UFC History | May 2021 - YouTube
UFC Weight Classes Ranked From Worst To Best - MMA Sucka
Is Conor McGregor the only double champ in UFC history?