A former professional boxer who reigned as the undisputed world heavyweight champion for three years, Mike Tyson is considered a colossal figure in boxing. Claiming his first heavyweight title at the young age of 20, he went on to become one of the best heavyweights of all time. Also a controversial person, he was once imprisoned on rape charges.
Julio Cesar Chavez is a Mexican former boxer who won several world championships in three different weight divisions. He also holds several records, such as the most successful world title defenses and most title fights. He has been named in ESPN's 50 Greatest Boxers of All Time list and was made an inductee of the International Boxing Hall of Fame.
Acknowledged by his rivals as a remarkable hitter, Jack Dempsey was an American heavyweight boxing champion who was known for his powerful punches. The record attendance at his bouts was an indication of his popularity. He was considered as one of the greatest fighters of all time. Born poor and nicknamed Kid Blackie, Jack Dempsey went on to become one of the richest athletes during his time.
10 Leon Spinks
12 Marc Mero
13 Carl Froch
Sky Sports analyst and commentator and former boxer Carl Froch is known for his World Championship bronze and his double English National Championship gold wins, all in the middleweight category. Though he initially loved football, too, he eventually chose boxing as a career option. He is also publicly a flat-Earther.
14 Katie Taylor
15 David Price
Best known for winning a bronze at the 2008 Beijing Olympics, former boxer David Price has also been a 3-time English National champion, a Commonwealth champion, and a EU champion. He retired at age 38, announcing the news on social media, after being inactive for a couple of years.
Best known for his surprise victory against boxing legend Mike Tyson in 2004, former boxer Danny Williams has won countless heavyweight titles, such as the Commonwealth and the British titles. Known to his fans as the Brixton Bomber, he retired in late 2020 owing to health concerns.
20 Rahman Ali
23 Caleb Plant
27 Gene Fullmer
28 Mia St. John
29 Chad Dawson
31 Viddal Riley
33 Dmitry Pirog
43 Lou Savarese
45 James Tillis
Known as Fearless Freddie, Freddie Mills was not just a successful middleweight and light-heavyweight boxer, but also fought in the heavyweight category. Post-retirement, he ran a nightclub and appeared in movies and shows. He apparently shot himself to death later, though many believe he was murdered.
Former WBA female bantamweight title holder Shannon Courtenay had her title revoked after failing to make it to the specified weight category for her fight against Jamie Mitchell. She later blamed her menstrual cycle for her sudden weight gain of 2.5lbs. She has also been dubbed The Baby Face Assassin.