Can Floyd Mayweather vs. Conor McGregor best Mayweather vs. Pacquiao for PPV record?

Conor McGregor has set plenty of gate and pay-per-view records in MMA, and he might just achieve similar things in boxing.The UFC lightweight champion has been booked to fight fellow megastar and boxing all-time great Floyd Mayweather Jr. in a boxing contest on Aug. 26 in Las Vegas. This is a never-before-seen kind of matchup. McGregor and Mayweather are by far the biggest names in their respective sports. Many believe that the Irishman and Mayweather can set the record for the most successful p