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 only major titles, and it does not include lineal championships after 1921. Keys: Below is a list of longest reigning heavyweight champions in boxing measured by the individual's longest reign. The list includes both "The Ring" and lineal championships. Keys: The heavyweight division in MMA generally groups fighters between 205 and 265 lb (93 and 120 kg). Heavyweight is also the title of a documentary film that documented the fight camp of Fabricio Werdum when he became the UFC Heavyweight Champion. The term "world heavyweight" in modern wrestling generally refers to a champion wrestler who is seen as a prominent