#1 Conor McGregor (9,542,000)
Conor McGregor has hands down been the most famous star in all of combat sports, in recent years. He is an Irish mixed martial artist and boxer who was the first fighter in the history of the UFC, to hold multiple division championship belts, at the same time. Before signing with the UFC, Conor McGregor was the featherweight and lightweight titleholder at Cage Warriors.
Conor McGregor is the biggest pay-per-view attracting mega-star in MMA history, having featured in four out of the six highest selling UFC main events. His infamous fight against current UFC lightweight champion, Khabib Nurmagomedov, drew in a record 2.4 million pay-per-view buys, which happens to be the highest ever for an MMA event. He also was a part of a boxing match against the great, Floyd Mayweather Jr., which collected the second highest pay-per-view numbers in North America, at 4.3 million buys.
In the year 2017, McGregor pulled in close to $99 million, thanks to his match fee and endorsements during and after his fight with Floyd Mayweather Jr. His long list of 13 impressive business ventures, include promotional deals with Burger King, Beats by Dre, David August, Monster Energy, BSN, Anheuser-Busch, HiSmile, and Betsafe. Conor McGregor made it to the number 4th spot of the Forbes list for the highest paid sportspersons, in the year 2017.
Following his fight with Khabib, McGregor made a total of $3,030,000, which included a $30,000 fight week incentive pay. His total career earnings, excluded boxing is a little over 12-million dollars, making him the richest and highest paid fighter in the UFC.