Roger Mayweather, Legendary Boxing Trainer and Floyd Mayweather's Uncle, Dies at 58

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Many analysts considered the former world champion the best trainer in boxing.

TMZ Sports has confirmed the death of Roger Mayweather, uncle of Floyd Mayweather and world-renowned trainer. Mayweather was 58.

During his career in the late 1980s, the elder Mayweather held WBA titles in the super featherweight and light welterweight divisions. Mayweather held the light welterweight title from 1987 to 1989.

In 2015, Floyd Mayweather spoke about his uncle's declining health post-boxing career with FightHype. "My uncle Roger Mayweather has lost a lot of memory from the sport of boxing," he said. "He's only in his 50s, but it seems like he's an old man in his 80s. Boxing is wear and tear on the body."

READ: Josie Harris, Ex-Girlfriend and Mother of Floyd Mayweather's Children, Found Dead in California

During his in-ring career, the elder Mayweather squared up against notable names like Julio Chaves and Ray "Boom Boom" Mancini. He won 59 of his 72 professional fights. After Floyd fired his father as trainer and manager in 2000, Roger stepped in for the next twelve years. Floyd said Roger's declining health led to his decision to retire.

"He don't even know who I am anymore," Floyd said. "He's not doing well...he's not sharp as he used to be, and you must realize, me and my uncle Roger was fighting [professionally] at the same time...it hurts."

It's been a harrowing past week for Floyd Mayweather. This past Monday, California police found Josie Harris, the mother of three of his children, dead in her car in California.