UFC 229: McGregor-Khabib fight ends with ugly brawl outside the cage
https://www.cnet.com/news/mcgregor-khabib-ufc229-fight-ends-bigger-fight-breaks-out/
(CBS is the parent company of CNET.)
CBS called the post-fight scene "one of the ugliest in UFC's history." Fans had plenty of other things to call it.