William Harrison "Jack" Dempsey, nicknamed Kid Blackie and The Manassa Mauler, was an American boxer who competed from 1914 to 1927, and world heavyweight champion from 1919 to 1926. From Wikipedia
New Zealand-born fly-half Burke and Glasgow No. 8 Mann are among the 37 players selected by coach Gregor Townsend for the 2025 tournament.