See What Floyd Finally Says On Bieber Feud

Floyd Mayweather says Justin Bieber turning traitor on him is the last thing on his mind on the eve of THE fight ... but he's still throwing jabs at his former BFF.

Floyd sat down with 'Hollywood Unlocked' and talked about the video TMZ posted of Justin  saying he didn't think Floyd would Knock Out Conor McGregor. The champ tried to keep it above belt, but his disdain came spilling out when he dismissed Bieber as a "pop star." Lol, but who won;t be upset. It's your best friend dayumm!