#9
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Wladimir Klitschko

Wladimir Klitschko is a Ukrainian heavyweight professional boxer. Klitschko is the WBA, IBF, WBO, IBO and The Ring Heavyweight Champion. Klitschko is the longest reigning IBF, WBO & IBO Heavyweight Champion in history with the most title defenses for those organizations. Overall, he is the 2nd longest reigning Heavyweight Champion of all time with the 3rd most successful title defenses at 15. On 13 October 2013, Boxrec rated Klitschko as the number 2 pound-for-pound fight...

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