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Claressa Shields 'Chasing History'
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Few boxers ever had a meteoric rise to the top of the sport like Mike Tyson.
As a 20-year-old, Tyson knocked out Trevor Berbick in 1986 to claim his first world heavyweight title and defended it nine times while becoming the undisputed, lineal heavyweight champion with the WBC, WBA and IBF heavyweight belts.
Tyson's calling card was his power. He retired in 2005 with a 50-6 record and 44 of those wins coming by knockout. Few have ever possessed the kind of power he had, and arriving even one round late to a Tyson fight always ran the risk of missing out on the entire fight.