From 1952 to 1956, Rocky Marciano held the global heavyweight title and the light heavy champion Archie ‘Old Mongoose’ Moore, 149-19-8, stopped in his final fight.
In 2017, multi-division champion Floyd ‘Pretty Boy’ Mayweather, Jr., retired after he improved his record to 50-0 and defeated Conor McGregor 0-0.
Who is now chasing the plate of Mayweather and other unbeaten stripes of the previous boxers in the 1940s when it was beaten?
Super Brian Nielsen was 49-0 when he lost to Dicky Ryan.
Heavyweight champion Larry ‘The Easton Assassin’ Holmes was 48-0 when he lost to Michael Spinks.
Unbeared super-middleweight champion Joe Calzaghe, 46-0, after retiring.
Others still active are WBC, WBO and WBC World Super Middle Champ Terence ‘Bud’ Crawford, 42-0.
WBC World Light Heavyweight Champion David Banavidez 30-0
Former 2 division world champion Jermall ‘Hit Man’ Charlo 34-0
2 Division World Champion Devin ‘The Dream’ Haney 32-0
Welfare Brandun Lee 30-0
IBO World Super Lightweight Champion Zhankosh ‘da Kazakh Kid’ Turtov 29-0
WBO World Featherweight Champ Rafael ‘El Divino’ Espinoza 27-0
WBA, WBC, WBO, IBF Super Bantam Champ IBF, WBO, WBC World Super Bantamweight Champion Naoya inoue 31-0
IBF, WBC World Bantamweight Champion Junto ‘Big Bang’ Nakitani 31-0
Last updated on 10/08/2025
