At the fifth time of asking, Walcott became the world heavyweight champion in 1951 when he knocked out Ezzard Charles in the ...

Rocky Marciano is the only heavyweight champ to retire undefeated (49-0). Victim No. 38 for the up-and-coming Marciano was old-and-should-have-stay-retired Louis, with Marciano sending the former ...

Rocky dreamed of becoming a professional baseball ... From that moment, he didn't stop racking up victories and retired with an incredible record of 49 fights, 49 wins, 43 of which were by knockout.

Rocky Marciano had two goals in mind while growing ... enough for him to register 43 knockouts in 49 fights. When The Rock retired in 1956, he was (and still is) the only heavyweight champion ...