SPORTS: The Champ | Floyd "Money" Mayweather for ESPN Magazine: mayweather_0013

LAS VEGAS, NV - SEPTEMBER 14: Mayweather lands a hard left jab to the head of Alvarez during his dominating performance. (Photo by Benjamin Lowy/Reportage by Getty Images)

LAS VEGAS, NV - SEPTEMBER 14: Mayweather lands a hard left jab to the head of Alvarez during his dominating performance. (Photo by Benjamin Lowy/Reportage by Getty Images)