Mayweather Vs. McGregor Press Conference: Epic Trash Talk!!

Conor McGregor promised to K.O. Floyd Mayweather in 4 rounds ... and Floyd responded by saying he's gonna beat that ass!!

The trash talk was nothing short of epic as Floyd and Conor faced off in L.A. for the first time since their super fight was announced, with both fighters trading insults ... and dance moves!!

Here are some of the most notable quotes:

Conor: "He's in a f***in' track suit. He can't even afford a suit anymore!!"

Floyd: "I ain't back down from no f***in' body. You line 'em up, and I knock 'em down like bowling pins. And August 26th, I'ma knock this bitch out too!!"

Conor: "How's this suit look? ... Got my own line of suits coming out. If you zoom in on the pin stripe, it says 'f*** you!'"

Floyd: "Let me show you motherf***ers what a $100 million fighter looks like. Still got 100 million, and ain't even ever touch this s**t!!"

Floyd: "I'm an old man ... I'm not the same fighter I was 10 years ago. I'm not the same fighter I was 5 years ago. I'm not the same fighter I was 2 years ago ... but I got enough to beat you. And we know Mr. Tapout like to quit!!"