TMZ

TMZ SPORTS

  • FS1
    M-T-Th-F:
    9:00 PM PST

    W:
    9:30 PM PST

This video is no longer available

Justin Bieber's Full Fight

Bieber's been training with the boxing legend for years -- but Mayweather says the most impressive part of the fight video isn't JB's form ... "He showed he got heart."

    ADVERTISEMENT

    TMZ Sports

    Hotties And Bodies

    Fights & Feuds

    Crime & Arrests

    TMZ Live

    ADVERTISEMENT

    TMZ Short Takes

    TMZ on TV

    ADVERTISEMENT

    LOOKING FOR MORE?