Floyd Mayweather Sr. (born October 19, 1952) is an American former professional boxer who competed from 1974 to 1990, and has since worked as a boxing trainer. Fighting at welterweight during the 1970s and 1980s, Mayweather Sr. was known for his defensive abilities and overall knowledge of boxing strategy. He is the father and former trainer of five-division boxing champion Floyd Mayweather Jr., and is credited for teaching his son the defensive skills that made him a champion.Younger brother Roger was WBC super featherweight and super lightweight champion and was known for his defensive skills. The youngest brother, Jeff, held the IBO super featherweight title. Floyd Mayweather Sr. is known for his outspokenness. He frequently recites poetry about his opponent and still does today for his fighter's opponent. Some refer to him as the "poet laureate of boxing." He is a flamboyant dresser who wears colorful suits, ties and shoes to news conferences. Wikipedia