SPORTS: The Champ | Floyd "Money" Mayweather for ESPN Magazine: mayweather_0012

LAS VEGAS, NV - JULY 27: On a searing 106-degree Vegas evening, Mayweather takes to the streets for a six-mile run. (Photo by Benjamin Lowy/Reportage by Getty Images)

LAS VEGAS, NV - JULY 27: On a searing 106-degree Vegas evening, Mayweather takes to the streets for a six-mile run. (Photo by Benjamin Lowy/Reportage by Getty Images)