Former four-division world champion Floyd ‘Cash’ Mayweather, 50-0, handed former heavyweight champion Rocky Marciano, 49-0, in August 2017, stopping MMA champion Connor McGregor, making his boxing debut in ten rounds. Some really feel an * needs to be in addition to his 50-0 file, and I’m one in all them.
Some have retired unbeaten, and others unbeaten with a draw or two. WBO Tremendous Middleweight champion Joe Calzaghe, 46-0 from Wales, retired on account of dangerous palms. He got here to the US and defeated Bernard ‘The Executioner’ Hopkins and Roy Jones, Jr., ending his profession.
Ricardo ‘Finito’ Lopez, Jr., 51-0-1 was WBA Mini and IBF gentle Flyweight champion after drawing with Rosendo Alvarez, gained the rematch. He was 47-0 after they drew.
Jimmy ‘Little Tiger’ Barry, 59-0-10, world bantamweight champion, drawing in his final eight fights.
Italy’s EBU champion Nino LaRocca, 74-6, was 56-0 when he misplaced.
Thailand’s WBC Mini world champion Chayaphon Moonsri, 55-3, was 54-0 when he misplaced.
Heavyweight champion Larry, ‘The Easton Murderer,’ was 48-0 when he misplaced to Olympic after which gentle heavyweight champion Michael Spinks.
‘Tremendous’ Brian Nielsen, 64-3, from Denmark, was 49-0 when he misplaced to Dicky Ryan, profitable the rematch.
Lee Sala was 48-0 when he misplaced to Tony DeMicco, profitable the rematch.
Thailand’s Tasama Salapat, 76-2 with 53 knockouts, was 48-0 when he misplaced to Takuma Inoue.
IBF Light-weight champion Paul ‘The Pittsburgh Child’ Spadafora was 49-1-1 and 48-0-1 when he misplaced to Johan Perez.
Heavyweight champion Deontay, ‘The Bronze Bomber’ Wilder, was 42-0-1 when he misplaced to Tyson Fury.
Former Tremendous Middleweight and Cruiserweight champion Gilberto ‘El Zurdo’ Ramirez, 46-1, was 44-0 when he misplaced to Dimitrii Bivol.
Three-division world champion Mexico’s Julio ‘JC’ Cesar Chavez, 107-6-2, was 89-0-1 when he misplaced to Frankie ‘The Surgeon’ Randall, profitable the rematch.
Gentle Welterweight champion Aaron ‘Hawk’ Pryor, 39-1, was 36-0 when he returned after two years dropping to Bobby Joe Younger.
Denmark’s Tom Boggs, 77-8-1, was 53-0-1 when he misplaced to Emile Griffith.
Brazil’s two-division world champion Eder Jofre, 72-2-4, was 47-0-3 when he misplaced to Preventing Harada.
Poland’s two-division world champion Dariusz Michalczewski, 48-2, was 48-0 when he misplaced to Julio Cesar Gonzalez.
World Featherweight champion Willie ‘Will o’ the Wisp’ Pep, 229-11-1, was 62-0 when he misplaced to Sammy Angott.
Former WBO Gentle Middleweight champion Mexico’s Jaime Munguia, 44-1, was 43-0 when he misplaced to Saul ‘Canelo’ Alvarez.
Two-division world champion ‘Sugar’ Ray Robinson, 174-19-6, was 40-0 when he misplaced to Jake LaMotta. He would defeat La Motta 4 occasions throughout their profession.
Gentle and Heavyweight champion Gene ‘The Preventing Marine’ Tunney, 80-1-3, was 47-0-2 when he misplaced to Harry Greb.
Heavyweight champion Russian Nikolai ‘The Russian Big’ Valuev, 50-2, was 46-0 when he misplaced to Ruslan Chagaev.
Two-division world champion Italy’s Nino Benvenutti, 82-7-1, was 65-0 when he misplaced to Ki Soo Kim.
I’m certain readers will give you different names.
