The Eagle retired immediately after the emotional fight, leaving the hyper-competitive Lightweight division in a state of flux - and seemingly primed for the aforementioned McGregor comeback.
Or more recently, UFC 254 where Khabib Nurmagomedov submitted Justin Gaethje in the second round of their Lightweight Championship fight to secure his legacy as one of the sport's all-time greatest fighters. For those in the US, a final thing to know is that ESPN Plus has the rights to UFC action in the country.
UFC Fight Nights take place every week at venues all over the world, while the big ticket 'numbered' fights are held monthly - usually in America.