Conor McGregor Reaches 'Record-Breaking' Deal for Floyd Mayweather Match
The current record for largest purse in a prize fight is believed to be held by Mayweather and Manny Pacquiao, who agreed to a 60-40 split of revenue for their 2015 boxing match on pay-per-view.
Source:: https://finance.yahoo.com/news/conor-mcgregor-reaches-apos-record-151800106.html