Why they rank here
The Brown Bomber authored the most dominant title reign in boxing history: heavyweight champion for 11 years and 8 months, from 1937 to 1949, with a record 25 consecutive successful defenses. His record was 66-3 with 52 knockouts, and his one-round destruction of Max Schmeling in their 1938 rematch, avenging his only prime loss, transcended sport as a symbol in the shadow of the Second World War. Louis combined textbook fundamentals, a compact, economical punch, and devastating two-handed power that produced the era's most feared knockouts. He fought through the so-called Bum of the Month Club against all comers, then anchored American morale as an Army champion during the war. Beyond the ring he broke barriers, becoming the first Black American widely embraced as a national hero and reshaping the heavyweight title's meaning. His combination of longevity, activity and finishing power at the sport's marquee weight remains a benchmark.
Career profile
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Head-to-head
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