Ronda Rousey -- Hey, Floyd Mayweather Jr. ... Who's a Bigger Draw Now? (VIDEO)

Ronda Rousey says Floyd Mayweather Jr.'s finally getting what he deserves -- fans turning their backs on him in droves because he's just too damn boring in the ring.

Ronda weighed in on the Berto-Mayweather fight drawing only about 500k PPV customers -- the lowest number Floyd's pulled in 10 years. The way Ronda sees it ... her archnemesis should've seen this coming.

Watch, you gotta think Ronda -- who's been feuding with Floyd for months -- is gloating just a bit, even if it's only on the inside. In fact, after talking about Floyd slipping ... she also addressed her latest financial victory.

Everything's coming up Ronda.