William Harrison "Jack" Dempsey (June 24, 1895 – May 31, 1983), nicknamed Kid Blackie and The Manassa Mauler, was an American professional boxer who competed from 1914 to 1927 and reigned as the world heavyweight champion from 1919 to 1926.

Sean & Johnston present the story of one of the most popular boxers in history, taking you on the journey of a true rags-to-riches story with many historic moments along the way.

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