Jack Dempsey 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 its Top 100 Greatest Punchers,
Jack Chase (American boxer) Jack Chase (American boxer) Jack Chase was an African-American middleweight, who boxed in the 1930s and 40s. He was born in Texas and fought mainly on the west coast of the United States. He boxed under the name ‘Young Joe Lewis’ for the first part of his career, before changing to Jack Chase in 1942. His official fight count stands at 122, but it is believed he competed in an additional 40 plus fights prior to 1936, during which time his full record is unknown. He was ranked second in the world in his division, but never took part in