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Gorazd Surla on Twitter: "#SportsVizSunday just in time to finish November # boxing challenge. So many boxing sanctioning bodies, so many champions, but who is The World Champion? Here is the historical timeline
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World heavyweight boxing champion Lennox Lewis (L) trades blows with Hasim Rahman (R) during their world title fight in Brakpan, April 22, 2001. Little-known American Rahman caused one of the biggest upsets
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