| Joe Dundee | Welter 1927 | Vince Dundee | Middle 1933 |
| Leon Spinks | Heavy 1978 | Michael Spinks | Light-Heavy 1981 |
| Ricardo Cardona | Junior Feather 1978 | Prudencio Cardona | Fly 1982 |
| Don Curry | Welter 1983 | Bruce Curry | Junior Welter 1983 |
| Koasai Galaxy | Junior Bantam 1984 | Kaokar Galaxy | Bantam 1988 |
| Gaby Canizales | Bantam 1986 | Orlando Canizales | Bantam 1988 |
| Loris Stecca | Junior Feather 1984 | Maurizio Stecca | Feather 1989 |
| Jimmi Bredahl | Junior Light 1992 | Johnny Bredahl | Junior Bantam 1992 |
| Ernesto Espana | Lightweight 1979 | Crisanto Espana | Welter 1992 |
| Terry Norris | Junior Middle 1989 | Orlin Norris | Cruiser 1993 |
| Graciano Rocchigiani | Super-Middle 1988 | Ralf Rocchigiani | Cruiser 1995 |
| Christophe Tiozzo | Super-Middle 1990 | Fabrice Tiozzo | Light-Heavy 1995 |
| Pichit Sithbangprachan | Fly 1992 | Pichitnoi Sithbangprachan | Junior Fly 1996 |
| Dodie Penalosa | Junior Fly 1983 | Gerry Penalosa | Junior Bantam 1997 |
| The Galaxy were twins. The Currys', the Canizales', the Bredahls, the Norrises were champions at the same time. The Bredahls won their titles on the same day, on the same bill. Gaby and Orlando Canizales were both world bantamweight champions at the same time, Gaby WBO champion and Orlando IBF. They never fought each other. | |||
In this section you can find a collection of miscellaneous records and facts
