What is Floyd Mayweather's net worth after knocking out Conor McGregor in £500m super fight?

Mayweather has changed the face of the game in terms of prize fighting.

When you can fight Andre Berto, a fringe world level fighter throughout his career, for $32m, why risk fighting Manny Pacquiao in his prime or taking on a young lion like Errol Spence Jr or Terence Crawford right now?

His fight with Manny Pacquiao broke all records, despite missing its window for a competitive duel by a few years, landing 4.6 million PPV buys, a total gate worth $73m and sponsorships totalling $13m.

All together the Pacquiao fight produced $600m to become the highest-grossing day in sporting history—wow!

The Las Vegas resident became cosy atop of Forbes rich list for highest paid athletes in 2012, 2013 and 2014 and ranked number 34 in a list of America's richest entrepreneurs under 40 last year, but has now turned 40 years of age.

While Mayweather earned $100m basic from the Pacquiao fight, he brought home a total of $220-240m once the PPV revenue was divided up, meaning a 40 percent cut.

So Mayweather earned 120 percent more than his basic fee for fighting when it was all said and done, so we can expect at least that this time around and probably more given expectations of new records for PPV buys.

Based on Forbes' initial $340m worth before the fight, Mayweather will now be worth at least $580m (£450m)