Inside Floyd Mayweather’s gym where boxing legend trained in sweltering heat & forced sparring partners to arrive at 3am

FLOYD MAYWEATHER crafted the most iconic unbeaten boxing record of all time by training in sweltering heat in the middle of the night.

The American’s gym is just two short miles from the Sin City strip where he collected the majority of his belts and millions in the ring.

GettyFloyd Mayweather training in his Las Vegas gym[/caption] The SunMayweather’s fight posters, in chronological order, adorn the gym walls[/caption] The SunThe Sun took a trip to the famed boxing club[/caption]...