- Fifteen boxers in history have retired with undefeated records, and all have won world titles.
- Jimmy Barry, Ricardo Lopez, and Floyd Mayweather Jr. are the undefeated boxers in history who have retired with more than 50 wins.
- Rocky Marciano is the only heavyweight champion to retire with a perfect record.
Being undefeated in professional boxing is quite a daunting task because of the elite competition that they are facing. But several boxers have accomplished this feat and secured an unblemished record until they hang up their gloves.
There are several boxing stars in the modern era like Terence Crawford and Tyson Fury, who are perpetual favourites in online sports betting via the boxing odds, who are on pace to join this elite list, but they are still actively competing, and time will only tell if they can achieve it.
See the list of all boxers who retired undefeated.
Are There Any Undefeated Boxers?
There are 15 boxers in history ever to tally an undefeated record throughout their career. The list includes:
- Jimmy Barry (59-0-9)
- Ricardo Lopez (51-0-1)
- Floyd Mayweather Jr. (50-0)
- Rocky Marciano (49-0)
- Joe Calzaghe (46-0)
- Sven Ottke (34-0)
- Andre Ward (32-0)
- Harry Simon (31-0)
- Mihai Leu (28-0)
- Edwin Valero (27-0)
- Jack McAuliffe (27-0-10)
- Terry Marsh (26-0-1)
- Pichit Sitbangprachan (24-0)
- Dmitry Pirog (20-0)
- Kim Ji-won (16-0-2)
There are also undefeated active boxers today like Crawford, Fury, Naoya Inoue, Devin Haney, Gervonta Davis, and Dmitry Bivol.
Who is boxing's pound-for-pound king today? Terence Crawford or Naoya Inoue? pic.twitter.com/7ETS3hm7fC
— Michael Benson (@MichaelBensonn) December 26, 2023
How Many Boxers Are 50-0?
Only three boxers in history have achieved a record of 50-0 or better. The members of this exclusive list are Jimmy Barry, Ricardo Lopez, and Floyd Mayweather Jr.
50 – 0
— Floyd Mayweather (@FloydMayweather) August 27, 2017
Who Had the Longest Undefeated Streak in Boxing History?
Jimmy Wilde is the record holder for the longest undefeated streak in boxing history, with 93 straight wins. He was one of the greatest flyweight champions in history and finished his career with 131 wins, three losses, and one draw. What’s more impressive about his record is that his fighting career lasted only 12 years.
Did Floyd Mayweather Jr. Lose a Fight?
Mayweather Jr. didn’t lose a fight during his 21-year career as a professional. He became a five-division world champion and defeated other boxing superstars like Manny Pacquiao, Oscar De La Hoya, Canelo Alvarez, Miguel Cotto, Shane Mosley, and Juan Manuel Marquez.
Who Is the Only Heavyweight Champion to Have Ever Retired Undefeated?
The only heavyweight champion ever to retire undefeated was Rocky Marciano, who collected 49 wins with 43 TKO/KOs. His pro career lasted only eight years (1947-1955) but he won the world heavyweight title and defended it multiple times.