Ugly scenes in Vegas as Khabib v McGregor descends into mass brawl - what next for the sport?

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It should have been a showcase of mixed martial arts excellence but UFC 229 in Las Vegas went from being a spectacular night of MMA to one of the most controversial events in the sport's history. Violent skirmishes broke out following Khabib Nurmagomedov's victory over Conor McGregor. This isn't the first time that there have been ugly scenes that have involved Conor McGregor, earlier this year he was involved in a backstage melee at a New York City arena in which he was caught on camera hurling a hand truck at a bus full of fighters. He was sentenced to community service. Is McGregor becoming bad for the sport? Vinny got the views of commentators Brendan Mulgrew and Chris Suitor.