1) Ali 2) Corbett 3) Cruiserweight 4) Dempsey 5) Liston 6) Louis 7) Marciano 8) Tunney 9) Tyson 1) Any game show contestant 2) Boxer 3) Country ballad 4) Gladiator 5) Professional athlete 6) Pugilist 
A prizefighter is a contestant in a prizefight
[n] - a professional boxer