The one and only Rocky Marciano.
Rocky Marciano was worlds heavyweight champion from '52 - '56.
No Joe Louis did not beat Rocky Marciano, as Marciano was the first boxer to retire undefeated in the heavy weight class.
Rocky Marciano he is the only heavy weight boxer to never lose.
Rocky Marciano beat Jersey Joe Walcott by come from behind ko in the 13th round to become champ in 1952 and stayed champion 'till he retired.
Rocky Marciano, KO's Jersey Joe Walcott in September of 52', retires, Floyd Patterson KO's Archie Moore in November of 56' and wins vacated title.
Rocky Marciano was from brockton massachusetts, hence the nickname the Brockton Blockbuster. He was world champ from 1952 till 1956.
the real world heavy weight champion is bigshow alberto del rio is dont really like him push a table on him but i think big show should be the heavy weight champion