Report: Mayweather vs Berto PPV buys 550,000 a 'generous' estimate

Joe Camporeale-USA TODAY SportsAs it turns out, Floyd Mayweather cannot, in fact, sell all by himself.

ESPN's leading boxing expert, Dan Rafael, has word on the early pay-per-view (PPV) buy estimate for his recent fight with Andre Berto, which took place this past weekend (Sat., Sept. 12, 2015) inside MGM Grand Garden Arena in Las Vegas, Nevada.

And, by "Money" standards, they ain't much.

PPV industry source on #MayweatherBerto numbers tells me they're very poor relatively speaking. 'Being generous is might hit 550,000 buys.'

— Dan Rafael (@danrafaelespn) September 16, 2015 That's somewhat of a significant step down from 4.4 million earlier this year when he danced around Manny Pacquiao and…