Legendary heavyweight boxer Wladimir Klitschko calls time on 21-year career
Wladimir Klitschko, one of the greatest heavyweight boxing champions of all time, has announced his retirement.
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Klitschko fought 69 times professionally in a career spanning over two decades. He lost on just five occasions.
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Klitschko rose to prominence at the 1996 Summer Olympics in Atlanta defeating Paea Wofgram of Tongo in the super heavyweight gold medal bout.
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Klitschko won his first heavyweight title in 2000 -- claiming the WBO belt after defeating America's Chris Byrd.
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Klitschko (left) and brother Vitali pose with their championship belts in 2012.
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Klitschko spars with his long-term coach Emanuel Steward. The pair worked together from 2004 to Steward's death in 2012.
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Klitschko in action against Tyson Fury in November 2015. The Briton defeated the Ukrainian on points in their during their WBA, IBF, WBO and IBO title bout in Duesseldorf, Germany.