Jimmy McLaren - beat the great pancho villa at 19
Wilfred Benitez - youngest champion ever at the age of 17
Nipper pat daley - youngest fighter to be ranked in the top ten at 14 years of age.
Mike Tyson - youngest heavyweight champion
Tyson or Ali. They were both outstanding golden gloves boxers with completely different styles of boxing.
Probably Wilfred Benitez. He was professional boxing world champion at age 17!
Oscar de la hoya..all he's medals are gold
i agree with bundini and say benitez.