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It is Mike Tyson when he was fighting with Trevor Berbick He became the youngest heavyweight champion in history.
Mike Tyson hold the record for the youngest heavyweight champion of the world at 20 years, 4 months and 22 days old
Wilfred Benitez is the youngest (male) world champion in boxing history, capturing the WBA junior welterweight title at the age of 17 years and 5 months with a split decision over Antonio Cervantes. He went on to win the WBC welterweight title as well as the WBC light middleweight title. = =
Vitali Klitschko of the Ukraine has been the World Boxing Council heavyweight champion since October 2008.
wilfredo benitez of puerto rico won a title at the ripe old age of 17.
joe louis
boxing
BOXING
Muhammad Ali was famous for being a Boxer and was a world boxing champion.
Francisco Guilledo AKA Pancho Villa of the Philippines. Won the World Flyweight Title in 1923 becoming the 1st Asian to win a legitimate world Championship
The current F1 world champion is Sebastian Vettel from Germany. He is the youngest ever world champion.