Yulla Habub
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. = =
Mike Tyson was the youngest man to ever win a heavyweight boxing title but Floyd Patterson is the youngest ever undisputed world champion, though Patterson never fought in the multi commission ruled era of the WBC, WBA, & IBF.
The current F1 world champion is Sebastian Vettel from Germany. He is the youngest ever world champion.
Bobby Fisher
Mao ze dong
Randy Orton was the youngest World Heavyweight Champion
He was world heavyweight boxing champion from 1952 until his retirement in '56.
Sebastian Vettel
Brock Lesnar won the world heavyweight championship at the age of 24
In April 2006, female fighter Zhang Xiyan became China's first ever professional boxing champion by defeating America's Alicia Ashley for the WBC women's lightweight crown.
Torpedo Billy Murphy won the featherweight title in 1890
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