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Floyd Mayweather.
Floyd Mayweather may have announced his retirement from boxing last year, but he could be tempted to transition to mixed martial arts and fight in UFC.
For Mayweather, "It's all about presenting the right numbers." And that means he wants to get paid big bucks for his blood, sweat, and tears.
If he does compete in a UFC octagon, he could go on to fight multiple times - perhaps, even, on a billion dollar deal.
Mayweather may be 41 years old and attempting another sport late on in life, but the American took hardly any damage throughout his 50 professional boxing bouts and is a disciplined athlete.
To maintain his sporting dominance, Mayweather has to eat right. So what sort of food does a former five-weight world champion fighter eat?
Here's everything Mayweather likes to have for breakfast, lunch, and dinner.