Floyd Mayweather

TMZ.comFloyd Mayweather -- Justin Bieber's Not Racist ... 'We All Make Mistakes'TMZ.com0601-floyd-mayweather-instagram Floyd Mayweather is going to bat for his friend Justin Bieber -- saying he still SUPPORTS the pop star despite footage that surfaced this weekend showing a 15-year-old Bieber saying the N-word while telling a racist joke.