Conor McGregor said he's a billionaire in a new Instagram post.<br />The Irish UFC fighter reportedly made $100 million for losing to Floyd Mayweather in his sole boxing rules bout in 2017.<br />In addition, Forbes reports that he made $47 million in the last year.<br />He also makes money away from fighting thanks to his Proper no. Twelve whiskey brand.<br />He earns from his August McGregor clothing line, and his firm McGregor Sports and Entertainment.
