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.
Kendt som "Sugar Poo", begyndte Buchanan sin professionelle karriere i 2004, og var ubesejret vej da han gik ind i en ShoBox Supermellemvægt Eliminator turnering, hvor han tabte til Jean-Paul Mendy.