Jerome "Jeff Smith" Jefferds was an American professional boxer who held the Australian version of the World Middleweight Title during his career. Despite his relative anonymity, Smith faced off against some the best fighters of his era, including Harry Greb, Gene Tunney, Mike Gibbons, Georges Carpentier, Les Darcy and Tommy Loughran. Statistical boxing website BoxRec lists Smith as the 17th greatest middleweight ever, while Ring Magazine founder Nat Fleischer ranked Smith as the No. 10 Middleweight of all-time. He was inducted into the Ring Magazine hall of fame in 1969 and the International Boxing Hall of Fame in 2013.

Edward Henry Greb was an American professional boxer. Nicknamed "The Pittsburgh Windmill", "The Smoke City Wildcat" and "The Pittsburgh Bearcat," he is widely regarded by many boxing historians as one of the best pound for pound boxers of all time.