Boxing is a sport that requires a lot of physical strength as well as mental strength to hold on to the sport to become one of the best.  Over the years the boxing fraternity has seen a lot of boxes come and go but only a few of them have managed to stay on top and finish the career as a defeated.  Here is the list of the top 7 most undefeated boxers of all time.

Read more about Most popular sports Video Games

7. Joe Calzaghe:


Joseph Calzaghe Is a former professional boxer who comes from Wales and he competed between 1993 to 2008. He held multiple world championships in two weight classes, including unified and lineal titles at super-middleweight, and the Ring magazine light-heavyweight title.

He was the longest undefeated champion of the World Boxing Organisation WBO title for over 10 years where he had defeated about 20 opponents. Between 2006 and 2008 he was always ranked among the top 10 by The Ring as the best Boxers pound for Pound where he reached the career high of the third position.  When he retired in February 2009 he was a boxer with the best and most defeated record as he had 46 wins without a loss.

6. Mihai Leu:


Mihai Leu changed his name to Michael Leowe when he entered the world of Professional Boxing. He is a Romanian Former professional boxer who used to compete between 1991 to 1997 and also held the WBO Welterweight title in the year 1997.

Leu had retired after one title defence against Michael Carruth and had become the third European Boxer to retire as an Undefeated World Champion. Mihai Leu never wanted to leave the sport but a brutal injury left him with no other choice and he had to retire. Mihai had 28 wins in 28 matches and could have won a lot more.

5. Ricardo Lopez:

The Fight City

Ricardo Lopez is a well-known former professional boxer who competed between 1985 to 2001 and he was well known in the boxing circuit because of his hard and big composure and he made his image as someone who destroys his opponent inside the ring.

He was a two-weight world champion in his era and had held the WBC Flyweight Championship title between 1990 to 1998 and had defeated a record-breaking 21 opponents to retain his title. He also held the mini flyweight titles of WBO and WBA between 1997 to 1998 along with the IBF mini flyweight title from 1998 until his retirement.

Ricardo Lopez was a greatly admired athlete as throughout his career he had fought 52 fights inside the ring where he had won 51 fights and one was drawn and among the 51 flights that he had won, 38 were from knockouts.

4. Terry Marsh:

Terry Marsh is a well known former English professional boxer who held the record for being undefeated in the light welterweight championship. Marsh was a three-time ABA senior amateur champion who went on to become the British, European and IBF light welterweight world champion as a professional.

He was the second European boxer in the history of boxing to retire as an undefeated champion in his career.  Throughout his career he had 27 fights where he had won 26 fights and one was a draw. Among the 26 fights she had won,  10 were true knockouts which prove how brutal he was inside the ring.

3. Floyd Mayweather Jr. :

Floyd Mayweather is a well-known boxing promoter and a former professional boxer who competed between 1997 to 2017.  He was often considered as the best ever to step inside the ring as when he retired he was the undefeated champion of 15 major world championships from super featherweight to light middleweight which also includes the Ring magazine title in five weight classes and the lineal championship in four weight classes (twice at welterweight).

During his amateur career,  he was in beast form when he won the bronze at the olympics in 1997, three Golden Glove champions and the US National Championship. He was so deadly inside the ring that in his career he had fought 50 fights and had won all 50 fights where 27 were by knockouts.

2. Sven Ottke:

Sven Ottke is a well known German professional boxer who previously competed between 1997 to 2004. In his era, he was a unified middle weight champion who had held the IBF title from 1998 to 2004 and the WBA title from 2003 to 2004.

Ottke defended his title against 20 opponents and holds the joint record with Joe Calghaze. In his career, he had fought 34 fights and had won all 34 fights.

1. Andre Ward:

Most Undefeated Boxer

Andre Ward is a well known professional boxer who was from England and used to compete professionally inside the ring between 2004 to 2015.  He was one of those rare boxers who have held the undefeated record in more than one weight class. He was an undefeated star whose titles included unified super middleweight titles between 2009 and 2015, and unified light heavyweight titles between 2016 and 2017 and in that period he was one of the Most Undefeated Boxer.

During his reign of the Light Heavyweight Championship, he was named as the best active boxer, Pound by Pound by the Ring Transnational Boxing Rankings Board (TBRB), as well as the world’s best active boxer in the division by The Ring, the TBRB, and BoxRec.

Throughout his career, he had fought 32 fights and had won all 32 fights where 50 percent of them were by knock outs.