It's on: Knockout pay-day for McGregor and Mayweather
Giants of the ring to meet in mega-bucks contest
The fight of the century is on FINALLY…
Two-time UFC champion Conor McGregor will take on the legendary Floyd Mayweather in what will be the richest boxing contest in history.
Each is expected to pocket about $100m (£78m) for the fight on August 26 in Las Vegas.
The announcement follows months of speculation about whether Mayweather would come out of retirement at the age of 40 to climb back into the ring more time.
While a mixed martial arts fighter, McGregor was a talented amateur boxer but has never had a pro fight