#UFC 249 #Justin Gaethje #Tony Ferguson #UFC on ESPN 9 #Jon Jones #Conor McGregor #Francis Ngannou #Kamaru Usman #Colby Covington #Chael Sonnen #Daniel Cormier #Khabib Nurmagomedov #UFC Fight Night 171 #Anderson Silva #Israel Adesanya #Jorge Masvidal #UFC 245 #Yoel Romero #UFC on ESPN 8 #UFC 235