Between Canseco's $50,000 fee up front and his slice of the record-breaking PPV sales, Barstool's Dave Portnoy claimed Canseco made around $1 million for his role in the micro-fight.

Even though Manny has been extremely successful in boxing, he'll still probably have to hit a Mega Ball or two if he wants to be rich enough to purchase an NBA team.

They call him Floyd "Money" Mayweather for a reason.

Two boxers appeared on a talk show to promote a May fight in Las Vegas. They went a little overboard, though, and made a HUGE bet.

Muhammad Ali's gloves from the legendary "Fight of the Century" bout with Joe Frazier were just sold. How much did the winning bidder pay?

Boxing purses started out at a modest level, but they've since grown to astronomical proportions. Just how high have they gotten?

From ticket sales to Pay Per View to beer sponsorship, Floyd Mayweather and Manny Pacquiao are about to SHATTER records.

Boxers not only chase titles in their weight division, they also covet the title of Pay-Per-View King. And these men are the Kings of all PPV Kings!!!

Floyd Mayweather is a world-renowned American boxing champion and promoter who has a net worth of $400 million. That makes him the richest boxer of all time. Floyd's total career earnings, as of this writing, top $1.1 billion.

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