10 Undefeated World Boxing Champions

Sven Ottke (34-0-0)



With its 21 world defences, the German “Phantom” has rightfully entered, albeit in a backward position, our ranking of the best supermedians in history.

After competing in three Olympics, Ottke never left Germany during his long reign as champion and won most of his points matches. However, several challengers complained about the verdict.

 

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