Jack Dempsey Deanna Dempsey died in 2003. Jack Dempsey 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. A cultural icon of the 1920s, Dempsey's aggressive fighting style and exceptional punching power made him one of the most popular boxers in history. Many of his fights set financial and attendance records, including the first million-dollar gate. Dempsey is ranked tenth on "The Ring" magazine's list of all-time heavyweights and seventh among
Heavyweight rounds. In 1920, the minimum weight for a heavyweight was set at 175 pounds (12 st 7 lb, 79 kg), which today is the light heavyweight division maximum. Since 1980, for most boxing organizations, the maximum weight for a cruiserweight has been 200 pounds. Since the 1960s, the heavyweight title has become fractured amongst various sanctioning organizations, and so what was once known as the single "Heavyweight Champion", is now referred to as the "Undisputed Champion" as the one fighter that has defeated all the other titlists. Current champions Current interim champions "As of March 5, 2018". This list includes