Lennox Claudius Lewis is a boxing commentator and former professional boxer who competed from 1989 to 2003. He is a three-time world heavyweight champion, a two-time lineal champion, and held the undisputed championship. Holding dual British and Canadian citizenship, Lewis represented Canada as an amateur at the 1984 and 1988 Olympics; in the latter, he won a gold medal in the super-heavyweight division.
Jacqueline "Jacqui" Frazier-Lyde is an American lawyer and former professional boxer. She is the daughter of former world Heavyweight boxing champion Joe Frazier. In January 2000, at the age of 38, Frazier announced that she would begin participating in the sport of women's boxing.
Joseph William Frazier, nicknamed "Smokin' Joe", was an American professional boxer who competed from 1965 to 1981. Widely regarded as one of the greatest heavyweight boxers of all time, he was known for his strength, durability, formidable left hand, and relentless pressure fighting style and was the first boxer to defeat Muhammad Ali. Frazier won a gold medal at the 1964 Summer Olympics as an amateur, held the NYSAC heavyweight title from 1968 to 1973, and was the undisputed heavyweight champion from 1970 to 1973.
Earnie Dee Shaver, best known as Earnie Shavers, was an American professional boxer who competed between 1969 and 1995. A two-time world heavyweight championship challenger, he is known as one of the hardest punchers in heavyweight boxing history. He scored 70 knockout wins, including 23 in the first round, for a 76.7% overall knockout rate.
Ronald David Lyle was an American professional boxer who competed from 1971 to 1980, and in 1995. He challenged unsuccessfully for the world heavyweight championship, losing to Muhammad Ali in 1975. Known for his punching power, crowd-pleasing fighting style, and his courage and determination in the ring, Lyle defeated Buster Mathis, Oscar Bonavena, Jimmy Ellis, Vicente Rondón, Earnie Shavers, Joe Bugner, Gregorio Peralta and Scott LeDoux, but is best known for his fight against George Foreman in 1976, which was voted Fight of the Year by The Ring magazine.
Jerry Quarry, nicknamed "Irish" or "The Bellflower Bomber", was an American professional boxer. During the peak of his career from 1968 to 1971, Quarry was rated by The Ring magazine as the most popular fighter in the sport. His most famous bouts were against Muhammad Ali. He is regarded as being one of the best heavyweight boxers never to win a title. He beat former world heavyweight champion Floyd Patterson and top contenders Ron Lyle, Earnie Shavers, Brian London, Thad Spencer, Buster Mathis, Randy Neumann, Jack Bodell, Mac Foster and Eduardo Corletti. The damage he accumulated from lack of attention to defense against larger men at the top level, no head guard sparring, and attempted comebacks in 1977, 1983, and 1992 resulted in Quarry developing an unusually severe case of dementia pugilistica.
George Louis Chuvalo is a Canadian former professional boxer who was a five-time Canadian heavyweight champion and two-time world heavyweight title challenger. He is known for having never been knocked down in his 93 bout professional career including fights against Muhammad Ali, Joe Frazier, and George Foreman. Chuvalo unsuccessfully challenged Muhammad Ali for the heavyweight championship in 1966. Chuvalo was inducted into the Ontario Sports Hall of Fame in 1995.
Franklin Roy Bruno is a British former professional boxer who competed from 1982 to 1996. He won the WBC heavyweight title from Oliver McCall at Wembley Stadium in 1995, in what was his fourth world championship challenge. Bruno faced multiple top-rated heavyweights throughout his career, including two defeats against Mike Tyson in 1989 and 1996, and a defeat against fellow Briton Lennox Lewis in 1993.
József Kreul Bugner is a Hungarian born British–Australian former professional boxer who competed in the heavyweight division and actor. He holds triple nationality, originally being a citizen of Hungary and a naturalised citizen of both Australia and the United Kingdom. He unsuccessfully challenged Muhammad Ali for the heavyweight championship in 1975, losing by a unanimous decision. As an actor, he is best known for his role in the 1994 action film Street Fighter alongside Jean-Claude Van Damme and Raul Julia.
Jens Ingemar "Ingo" Johansson was a Swedish professional boxer who competed from 1952 to 1963. He held the world heavyweight title from 1959 to 1960, and was the fifth heavyweight champion born outside the United States. Johansson won the title by defeating Floyd Patterson via third-round stoppage, after flooring him seven times in that round. For this achievement, Johansson was awarded the Hickok Belt as top professional athlete of the year—the only non-American in its entire 27-year first run—and was named the Associated Press Male Athlete of the Year and Sports Illustrated Sportsman of the Year.
Heavyweight is a weight class in combat sports and professional wrestling.
Dwight Muhammad Qawi is an American former professional boxer who competed from 1978 to 1998. He was a world champion in two weight classes, having held the WBC and Ring magazine light heavyweight titles from 1981 to 1983, and the WBA cruiserweight title from 1985 to 1986. Qawi was inducted into the International Boxing Hall of Fame in 2004.
James Albert Ellis was an American professional boxer. He won the vacant WBA heavyweight title in 1968 by defeating Jerry Quarry, making one successful title defense in the same year against Floyd Patterson, before losing to Joe Frazier in 1970.
Tim Witherspoon is an American former professional boxer who competed from 1979 to 2003. He was a two-time world heavyweight champion, having held the WBC title in 1984, and the WBA title in 1986. He beat Heavyweight World Champions Greg Page, James Smith, Tony Tubbs, Frank Bruno and Cruiserweight World Champions Alfonzo Ratliff and Al Cole. He is best known for his fight against undefeated Heavyweight World Champion Larry Holmes in which he lost by Split decision. Witherspoon also worked as a regular sparring partner for Muhammad Ali.
Oliver McCall is an American former professional boxer who competed from 1985 to 2019. A veteran of the sport for over three decades, he is best known for winning the WBC heavyweight title in 1994 by scoring an upset knockout victory over Lennox Lewis. The next year he defended the title against Larry Holmes before losing it to Frank Bruno. McCall is known for an in-ring mental breakdown during his 1997 rematch with Lewis. McCall's son, Elijah, is also a heavyweight professional boxer. McCall is known for never being knocked down in his 74-bout professional career and possessed one of the most durable chins of his time.
Edward Mills "Eddie" Machen was an American professional boxer. He was one of 6 children of a rural mail carrier. Machen dropped out of high school and became an amateur boxer. However, after just 3 bouts he was arrested and convicted of armed robbery. After his release, he became a professional boxer, determined never to return to prison again. His 64-bout career began on March 22, 1955, and he went on to win his first 24 bouts. He was highly rated and fought most of the big names of his era and he defeated many of the important names of his period such as Bob Baker, Jerry Quarry, Niño Valdés, Joey Maxim, Willi Besmanoff, Tommy Jackson, Brian London, Howard King and Doug Jones (boxer)
George Foreman vs. Joe Frazier II, billed as "Battle of the Gladiators", was a professional boxing match contested on June 15, 1976, for the NABF heavyweight championship.
Muhammad Ali vs. Joe Bugner was a professional boxing match contested on February 14, 1973.
Muhammad Ali was a boxer who mastered the rope-a-dope fighting technique. He is widely regarded by many boxing commentators and historians as the greatest heavyweight boxer of all time. Boxing magazine The Ring named him number one in a 1998 ranking of greatest heavyweights from all eras. In 1999, The Associated Press voted Ali the number one heavyweight of the 20th century.
Frank Bruno 
Tim Witherspoon