Gene Tunney - took on and beat top 10 heavyweight champ of all time Jack Dempsey, took on and beat Harry Greb in a rematch....he was THE REAL DEAL

Billy Conn - took on and nearly beat GREATEST heavyweight of all time Joe Louis

Bob Foster - had the balls to take on Joe Frazier....didn't do well but he was damned good otherwise

Roy Jones Jr. - very good but didn't fight THE BEST

Ezzard Charles - beat a number of guys and is

Joey Maxim - very good, tough hard worker much like Carmen Basilio...underrated

Archie Moore - very tough and very skilled, took on all comers!