American boxer
Rocky Marciano is the only heavyweight boxing champion ever to retire without being defeated. With a perfect 49-0 record—which included forty-three knockouts—he started his professional boxing career in 1947, and reigned as champion from 1952 until his retirement
Rocky Marciano
in 1956. He ranks among boxing's greats, along with such notables as Muhammad Ali, Joe Louis (whom he defeated the year before becoming world champion), and Jack Dempsey.
Sketch by Michael Belfiore
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