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In his 20-year professional career, "Sugar" compiled an astounding 36-3-1 record (25 KOs) while defeating the likes of Roberto Duran, Thomas Hearns and Marvin Hagler (black trunks). Leonard earned world titles at light heavyweight, super middleweight, middleweight, junior middleweight and welterweight. In 1981, after he claimed his second world title, Leonard was named SI's "Sportsman of the Year."

Photo: Andy Hayt/SI; Ken Regan/SI (inset)

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