EXCLUSIVE: 'It was legit!': Dana White reveals he had a conference call with Colosseum chiefs in Italy over Elon Musk and Mark Zuckerberg's mega-fight - and was speaking to both billionaires 'multiple times a week' to seal a deal

A fight between Mark Zuckerberg and Elon Musk now looks dead in the water, but Dana White has confirmed there were serious discussions to stage the matchup between the tech rivals.