Floyd Mayweather needs to chill using the race card on Conor McGregor ... that's according to UFC announcer Bruce Buffer. McGregor's the man in UFC because he kicks ass ... not 'cause he's white.
Bruce was leaving Gold's Gym in Venice when we asked him about Floyd saying McGregor getting a pass from fans and media for his smack talk ... because he's white.
Check out the clip -- Bruce doesn't give one iota of credence to Floyd's statement ... and says he thinks racially charged statements like that actually damage race relations in America.
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