Boxing legend Floyd Mayweather has announced he wants to become the best trainer in the world after posting a video of him putting his 14-year-old nephew through his paces in a pad work session.
The American is considered one Boxing's greatest ever boxers after winning 15 major world titles and finishing his career undefeated in 50 fights, and revealed his desire to follow in his late uncle Roger's footsteps in becoming a trainer.
