| MAYWEATHER | Floyd --- Jr., American former world champion boxer who fought in five weight classes (10) |
| SUGARRAYLEONARD | Boxing great who won world titles in five weight classes (5,3,7) |
| ERROL | ___ Spence Jr., American boxer; former world welterweight champion (5) |
| PETESAMPRAS | American former world No.1 tennis player (4,7) |
| ANDREAGASSI | American former world No. 1 tennis player (5,6) |
| FRANKBRUNO | British ex-heavyweight world champion boxer who retired in 1996 (5,5) |
| LENNOXLEWIS | London-born former world champion boxer who represented Canada at the 1984 and 1988 Olympics (6,5) |
| DONCOCKELL | London-born boxer who fought Rocky Marciano in 1955 for the World Heavyweight title |
| HEARNS | World champion boxer in five weight divisions. Thomas "Hitman"... (6) |
| EUBANK | Chris, boxer nicknamed 'Next Gen', born in 1989 and son of a former world champion boxer (6) |
| KHAN | Amir ---, British former light-welterweight world champion boxer who won a silver medal at the 2004 Olympics (4) |
| AMIR | --- Khan, British former lightwelterweight world champion boxer who won a silver medal at the 2004 Olympics (4) |
| FLOYDMAYWEATHER | U.S. former boxer and world champion in five different weight classes, nicknamed Pretty Boy (5,10) |
| OSCARDELAHOYA | 1992 Olympic lightweight gold medalist who was a world champion boxer in six weight classes: 4 wds. |
| OSCAR | World champion boxer in 6 weight classes...De La Hoya (5) |
| ALI | Muhammad --, former world champion boxer (3) |
| CLEVERLY | Nathan _, former world champion boxer (8) |
| BENN | Former world champion boxer Nigel (4) |
| USYK | Oleksandr _, Ukrainian boxer who is a world champion in two weight classes (4) |
| SHIELDS | Boxer who is the first undisputed world champion in three weight classes, Claressa _ (7) |
