Floyd Mayweather -- Hardcore Gym Training ... to JUSTIN BIEBER Music
When Floyd Mayweather hits the gym, it's important to listen to music that makes him wanna DESTROY people in the ring -- which could be why he likes to rock out to Justin Bieber. Bieber just posted footage of Floyd hard at work at his boxing…
TMZ — When Floyd Mayweather hits the gym, it's important to listen to music that makes him wanna DESTROY people in the ring -- which could be why he likes to rock out to Justin... more info