Over the years, Floyd Mayweather Jr has won and lost millions gambling.
Some fighters smile when they are hurt in the ring, a defence mechanism designed to convey comfort under pressure.
If Ricky Burns can hold on to his WBO lightweight title when he meets the IBF champion Miguel Vazquez next month, the Scot could be a couple of arguments over money away from sharing a ring with Adrien Broner.
The seemingly ageless promoter Bob Arum has a new challenge: persuading the similarly clock-defying Floyd Mayweather Jr to fight Juan Manuel Márquez and the Mexican's newly humbled foe, Manny Pacquiao, in 2013. Early signs are that he may just do it.
It looked like the end, but, this being boxing, it could just be the start of something new: for Manny Pacquiao, even though devastatingly knocked out, for Juan Manuel Márquez, who destroyed him in front of a disbelieving audience at the MGM Grand, and for the man who is never far from the epicentre of the business, Floyd Mayweather Jnr.
Will the top two names in boxing ever get it on? Ross Bellamy discusses why it needs to happen now more than ever before.
Floyd Mayweather might finally have bridged the gap between his powerful imagination and the actuality of superstardom.