10 Undefeated World Boxing Champions

Joe Calzaghe (46-0-0)

Considered by many the best super medium in history, the Italo-Gallese had to face a lot of criticism during his career but he was able to respond as a true champion in the ring beating his opponents one after the other, reunifying the titles and finally climbing among the top middle class to beat two legends: first Bernard Hopkins and then Roy Jones Jr.

Arrived a few steps away from the famous record of Rocky Marciano he realized he had nothing more to prove and retired.




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