Roger Mayweather died at age of 58-year-old.
The uncle and trainer to Floyd Mayweather, passed on after battling with poor health.
Mayweather has describes his uncle as the greatest trainer of all time.
“My uncle was one of the most important people in my life inside and outside of the ring.
“Roger was a great champion and one of the best trainers in boxing. Unfortunately, his health was failing him for several years and now he can finally rest in peace,” Mayweather Jr said in a statement.
Roger was a two-weight world champion and fought 72 times during his 17-year career.