Muhammad Ali was an American professional boxer and activist. Nicknamed "The Greatest", he is regarded as one of the most significant sports figures of the 20th century and is often regarded as the greatest heavyweight boxer of all time. In 1999, he was named Sportsman of the Century by Sports Illustrated and the Sports Personality of the Century by the BBC.
José "Chegüi" Torres was a Puerto Rican-born American professional boxer. As an amateur boxer, he won a silver medal in the junior middleweight division at the 1956 Olympic Games in Melbourne. In 1965, he defeated Willie Pastrano to win the WBC, WBA and lineal light heavyweight championships. Torres trained with the legendary boxing trainer Cus D'Amato. In 1997, he was inducted into the International Boxing Hall of Fame.
Laila Amaria Ali is an American television personality and retired professional boxer who competed from 1999 to 2007. During her career, from which she retired undefeated, she held the WBC, WIBA, IWBF and IBA female super middleweight titles, and the IWBF light heavyweight title. Ali is widely regarded by many within the sport as one of the greatest female boxers of all time. She is the daughter of iconic boxer Muhammad Ali.
George Edward Foreman is an American former professional boxer, entrepreneur, minister and author. In boxing, he was nicknamed "Big George" and competed between 1967 and 1997. 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 his generation, 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 reigned as the undisputed heavyweight champion from 1970 to 1973 and as an amateur won a gold medal at the 1964 Summer Olympics.
Kenneth Howard Norton Sr. was an American professional boxer who competed from 1967 to 1981, and held the WBC world heavyweight championship in 1978. He is best known for his fights with Muhammad Ali, in which Norton won the first by split decision, lost the second by split decision, and lost the final by a controversial unanimous decision. Norton also fought a slugfest with Larry Holmes in 1978, narrowly losing a split decision.
Floyd Patterson was an American professional boxer who competed from 1952 to 1972, and twice reigned as the world heavyweight champion between 1956 and 1962. At the age of 21, he became the youngest boxer in history to win the title, and was also the first heavyweight to regain the title after losing it. As an amateur, he won a gold medal in the middleweight division at the 1952 Summer Olympics.
Leon Spinks was an American professional boxer who competed from 1977 to 1995. In only his eighth professional fight, he won the undisputed heavyweight championship in 1978 after defeating Muhammad Ali in a split decision, in what is considered one of the biggest upsets in boxing history. Spinks was later stripped of the WBC title for facing Ali in an unapproved rematch seven months later, which he lost by a unanimous decision.
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, 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.
Angelo Dundee was an American boxing trainer and cornerman. Internationally known for his work with Muhammad Ali (1960–1981), he also worked with 15 other world boxing champions, including Sugar Ray Leonard, José Nápoles, George Foreman, George Scott, Jimmy Ellis, Carmen Basilio, Luis Manuel Rodríguez, and Willie Pastrano.
József Kreul Bugner is a Hungarian-born British-Australian former heavyweight boxer and actor. He holds triple nationality, 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 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.
Richard Dunn is an English former heavyweight boxer who was the British (1975–76), European (1976) and Commonwealth (1975–76) Champion. He unsuccessfully challenged Muhammad Ali for the World Heavyweight title in 1976.
Ernest Terrell was an American professional boxer who competed from 1957 to 1973. He held the World Boxing Association's heavyweight title from 1965 to 1967, and was one of the tallest heavyweights of his era, at 6 feet 6 inches (1.98 m) tall. He unsuccessfully fought the other world heavyweight champion of the era, Muhammad Ali, in a heavyweight title unification contest in 1967, losing by a unanimous decision. Terrell was the elder brother of the Supremes' early 1970s lead singer Jean Terrell. In the 1960s, Jean sang with Ernie's group Ernie Terrell & the Heavyweights.
Brian Sidney Harper, known professionally as Brian London, was an English professional boxer who competed from 1955 to 1970. He held the British and Commonwealth heavyweight title from 1958 to 1959, and twice challenged for the world heavyweight title, losing to Floyd Patterson in 1959 and Muhammad Ali in 1966, both times via knockout. He was one of a quartet of British boxers, with Henry Cooper, Joe Erskine, and Dick Richardson, who dominated the British boxing scene throughout the 1950s and 1960s.
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.
Alfredo Evangelista is a Uruguayan-born former boxer. He was born in Montevideo, Uruguay.
Cassius Clay fought an eight-round boxing match with Texan Donnie Fleeman in Miami on February 21, 1961. Prior to this fight, Fleeman had a record of 51 fights with 45 wins including 20 knockouts. Clay won the bout through a technical knockout after the referee stopped the fight in the seventh round. This was the first time Clay had gone over six rounds in a boxing match. It was also the first time Fleeman had ever been knocked down in a boxing match. Fleeman retired from boxing after this fight.
Cassius Clay fought a boxing match with Herb Siler in Miami on December 27, 1960. Clay won the bout through a technical knockout after the referee stopped the fight in the fourth round. The fight had taken place soon after Clay had joined the 5th Street Gym.
LaMar F. Clark was an American professional boxer who fought in the heavyweight division. He was active from 1958 to 1961 and fought a recorded 46 times in his 3 year-career, mostly in his home state of Utah. The Guinness Book of World Records lists Clark as the boxer with the most consecutive knockouts (44), and also the most knockouts in one night (six). Clark's knockout streak garnered him nationwide press attention, though some commentators have derided the poor quality of his opposition.
Muhammad Ali is widely regarded by many boxing commentators and historians as the greatest heavyweight boxer of all time. Boxing magazine The Ring named him number 1 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. In 1999, Ali was named the second greatest boxer in history, pound for pound, by ESPN; behind only welterweight and middleweight legend Sugar Ray Robinson. In December 2007, ESPN listed Ali second in its choice of the greatest heavyweights of all time, behind Joe Louis. He was inducted into the International Boxing Hall of Fame in the inaugural class of 1990.
Moses Harrell
Franco De Piccoli 
Roberto Davila
Willi Besmanoff 
Wendell Newton