Recent News on Sherdog.com · Mar 27, 2016
Undefeated Boxers: Floyd Mayweather Jr. and Others
Considering that the official boxing world championships started in 19th century, the list of undefeated boxers is surprisingly short. Recently-retired Floyd Mayweather Jr. is only the fourteenth world champion to withdraw without a single defeat. It’s a rare feat that deserves a closer attention and scrutiny.
Undefeated Boxers: Rocky Marciano