Floyd Mayweather stares down billionaire Warren Buffett at gym

Floyd Mayweather tweeted out this photo Tuesday night showing him squaring off in one of those pre-fight hype photos with billionaire Warren Buffett.

http://fortune.com/fortunate50/floyd-mayweather-1/Floyd Mayweather tweeted out this photo Tuesday night showing him squaring off in one of those pre-fight hype photos with mega-investor Warren Buffett.

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Standing in front of a crowd of onlookers, Mayweather has his boxing gloves on and appears to be saying something to Buffett, who looks to be getting a pre-fight shoulder rub from a gentleman in a snapback hat. 

It's rare to see such profound wealth represented in one photo, the money-flaunting Mayweather is just a humble hundred-millionaire compared to the billionaire Buffett.

The question remains, however: Which fighter would you put your money on?

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- Will Green