Conor McGregor vs. Floyd Mayweather is far from being a done deal, but two fighters are already campaigning to face each other in the co-main event of a possible event. Former boxing world champion Roy Jones Jr. suggested on his social media on Wednesday that adding a bout with former UFC middleweight champion Anderson Silva to the event would make it the “biggest event” in history.

… on numerous occasions, but UFC boss Dana White has previously shown disapproval at the idea of fighters crossing sports. Jones said: ‘It was so big when it was talked about back then with me, it would have been the biggest fight of my career by far. …