Term: Jack Dempsey, Description: American boxer, Question: Did Jack Dempsey have most title fight wins in either of his weight classes?, Answer:No
Fact1: Jack Dempsey competed as a heavyweight and a lightheavyweight. Fact2: Jack Dempsey only had a handful of title defenses as heavyweight champion. Fact3: Wladimir Klitschko had 25 heavyweight title fight wins. Fact4: Jack Dempsey did not hold the lightheavyweight title. Fact5: Dariusz Michalczewski had 23 lightheavyweight title fight wins. 