
Arum: If Mayweather-McGregor Falls Through - UFC To Blame
Top Rank's CEO Bob Arum believes the UFC is the only obstacle in the way of the much hype cross-sports showdown between former five division world champion Floyd Mayweather Jr. and UFC superstar Conor McGregor. McGregor gave Arum a big assist last week, when he took part in the festivities of Michael Conlan's pro debut at Madison Square Garden in New York City.









