Henry Kanonta Buchanan (born August 5, 1978) is an American professional boxer.
Known as "Sugar Poo", Buchanan began his professional career in 2004, and was undefeated heading into a ShoBox Super Middleweight eliminator tournament, and lost to Jean Paul Mendy.
Episode that aired on September 11, 2007 said that for personal reasons, he would not participate in season 3 of The Contender.
He is the uncle of San Diego Chargers linebacker Shawne Merriman.
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