George Edward Foreman is an American former professional boxer, entrepreneur, minister, and author. In boxing, he competed between 1967 and 1997 and was nicknamed "Big George". He is a two-time world heavyweight champion and an Olympic gold medalist. As an entrepreneur, he is known for the George Foreman Grill.
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.
Kenneth Howard Norton Sr. was an American actor and professional boxer who competed from 1967 to 1981. He was awarded the WBC world heavyweight championship in 1978, after winning a close split decision over Jimmy Young in a title eliminator bout, after which Leon Spinks refused to fight with him.
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.
James Tillis is an American former professional boxer and actor. Known as "Quick", he was known for his remarkably fast hand speed for a man of his size and build. A natural southpaw, Tillis turned around to orthodox midway in his amateur career. His left remained the stronger hand and for that reason, he had a powerful jab and left hook, together with the ability to switch stances while fighting. Tillis challenged for the WBA world heavyweight title in 1981, but was defeated in a fifteen-round unanimous decision fight against Mike Weaver. Tillis was the first man to go the distance with Mike Tyson in 1986, breaking his knockout-streak and giving him a relatively close fight, nearly a draw, with two of three judges scoring the fight 6-to-4. He holds notable wins over Ron Stander by TKO in the 7th round in 1980, and the hard punching Earnie Shavers by ten-round decision in 1982. Tillis fought for the last time in 2001 at the age of 44.
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.
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.
James "Bonecrusher" Smith is an American former professional boxer who competed from 1981 to 1999 and held the WBA heavyweight title from 1986 to 1987.
Mitch Green is an American former professional boxer who competed from 1980 to 2005. He is best known for having gone the distance with Mike Tyson in 1986, who was undefeated at the time. Two years later, in 1988, Green ended up fighting Tyson again in a notorious street brawl. A toothpick dangling between his lips became his trademark at any public appearance.
Edward Mills "Eddie" Machen was an American professional boxer. He was one of six children of a rural mail carrier. Machen dropped out of high school and became an amateur boxer. However, after just three 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)
James Onque Scott Jr. was an American boxer and convicted murderer. He became the second-highest-ranked contender in the World Boxing Association's (WBA) light heavyweight division while incarcerated at Rahway State Prison in Avenel, New Jersey. Scott fought a total of 22 professional fights, 11 of which were contested while he was in prison. Scott earned pay and WBA rankings from many of those fights, which was considered controversial.
Lennox Lewis vs. Ray Mercer, billed as "One Big Night", was a professional boxing match contested on May 10, 1996.
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.
José Manuel Ribalta is a Cuban former professional boxer who competed in the heavyweight division from 1982 to 1999. A talented and physically imposing gatekeeper, Ribalta is best known for his brave performance against Mike Tyson in 1986.
The second fight between Tim Witherspoon and James "Bonecrusher" Smith was contested on December 12, 1986. The bout took place at Madison Square Garden in New York City and was contested for Witherspoon's WBA heavyweight championship. It was Witherspoon’s second defence of the championship he had won from Tony Tubbs in January 1986.
Tim Witherspoon vs. Frank Bruno was a professional boxing match contested on 19 July 1986, for the WBA heavyweight title.
Greg Page vs. Tim Witherspoon, billed as True Vindication was a professional boxing match contested on March 9, 1984, for the vacant WBC heavyweight title.
Frank Bruno 
Tim Witherspoon