Floyd Mayweather faces Manny Pacquiao in Las Vegas on May 2 . Mega-fight to become highest grossing pay-per-view event in sport . Mayweather 's victory against Saul Alvarez currently tops the list . American fighter will pocket upwards of £111m if he goes the distance . Pacquiao could earn close to £62m if the fight last 12 rounds . READ : http://bit.ly/1Q4tq7F
Floyd Mayweather faces Manny Pacquiao in Las Vegas on May 2 . Mega-fight to become highest grossing pay-per-view event in sport . Mayweather 's victory against Saul Alvarez currently tops the list . American fighter will pocket upwards of £111m if he goes the distance . Pacquiao could earn close to £62m if the fight last 12 rounds . READ : Sportsmail takes a look inside both boxers ' training spots . CLICK HERE for the latest Floyd Mayweather and Manny Pacquiao news .