It was nice to Floyd Mayweather smiling for once. Fans have become too accustomed to seeing the boxing great, angry and ranting about his plight and a lack of respect during HBO's 24/7 series.

Somehow—SOMEHOW—Conan O’Brien got hold of some exclusive never-before-seen footage of Justin Bieber getting a boxing lesson from welterweight champion Floyd Mayweather… and believe me when I say, it ...

Justin Bieber and Floyd Mayweather both posted pictures and video on social media showing the pop star getting boxing lessons from the undefeated Olympic medalist. But it was Conan O’Brien who scored ...

Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani. Yahoo Racing is powered by Motorsport Network, providing expert reporting, analysis, and ...