Edwin "Chapo" Rosario Rivera was a Puerto Rican professional boxer who competed from 1979 to 1997. He was a world champion in two weight classes, having held the WBC lightweight title from 1983 to 1984, the WBA lightweight title twice between 1986 and 1990, and the WBA super lightweight title from 1991 to 1992.
Tony Canzoneri was an American professional boxer. A three-division world champion, he held a total of five world titles. Canzoneri is a member of the exclusive group of boxing world champions who have won titles in three or more divisions. Canzoneri fought for championships between bantamweight and light welterweight. Historian Bert Sugar ranked Canzoneri as the twelfth-greatest fighter of all time.
Eligio Sardiñas Montalvo, better known as Kid Chocolate, was a Cuban boxer who enjoyed great success both in the boxing ring and outside it during the 1930s. Chocolate boxed professionally between 1927 and 1938. His record was 136 wins, 10 losses and 6 draws, 51 wins coming by knockout and one no-decision bout, also making Ring magazine's list of boxers with 50 or more career knockout wins. He was inducted into the International Boxing Hall Of Fame in 1991.
Ken Buchanan was a Scottish professional boxer who competed between 1965 and 1982. He held multiple championships at lightweight; the World Boxing Association (WBA) and Ring magazine titles from 1970 to 1972; and the World Boxing Council (WBC) title in 1971, briefly reigning as undisputed champion until being stripped of the WBC title four months later. At regional level he held the British title twice in 1968 and 1973, and the European title from 1974 to 1975.
Alessandro "Sandro" Lopopolo was an Italian 1959 amateur featherweight and 1960 amateur lightweight boxing champion, and also world boxing champion in the light welterweight division afterwards, when he turned professional, between 1961 and 1973. Sandro Lopopolo started his career in 1957, losing his first against amateur boxer Nino Benvenuti, in the 12th round, in Madison Square Garden, New York City.
Isiah "Ike" Williams was an American professional boxer. He was a lightweight world boxing champion. He took the World Lightweight Championship in April 1945 and made eight successful defenses of the title against six different fighters prior to losing the championship to Jimmy Carter in 1951. Williams was known for his great right hand, and was named to The Ring magazine's list of 100 greatest punchers of all time as well as The Ring magazine Fighter of the Year for 1948. Williams was The Ring magazine's Fighter of the Year for 1948, was inducted into The Ring Boxing Hall of Fame, and was an inaugural 1990 inductee to the International Boxing Hall of Fame.
Howard Edward Davis Jr. was an American professional boxer. Growing up on Long Island as the eldest of 10 children, Davis first learned boxing from his father. After being inspired by a movie about Muhammad Ali, Davis embarked on his amateur career. He won the 1976 Olympic gold medal one week after his mother died. He was also awarded the Val Barker Trophy at the Olympics, beating out such boxers as Sugar Ray Leonard, Michael Spinks and Leon Spinks.
Joel Casamayor Johnson is a Cuban American former professional boxer who competed from 1996 to 2011. He held world championships in two weight classes, including the WBA super featherweight title from 2000 to 2002; and the WBC, Ring magazine and lineal lightweight titles between 2006 and 2008. As an amateur, Casamayor won a gold medal in the bantamweight division at the 1992 Olympics, after which he defected to the United States on the eve of the 1996 Olympics.
Frank Tate is a former American professional boxer.
William Irwin (born May 20, 1968, Niagara Falls, Ontario, nicknamed "Billy the Kid", is a retired Canadian amateur lightweight and professional light/light welter/welterweight boxer of the 1990s and 2000s who as an amateur won a bronze medal in the Boxing at the 1991 Pan American Games in Havana, Cuba, losing to eventual silver medal winner Patrice Brooks of the United States, represented Canada at the 1991 World Amateur Boxing Championships in Sydney, Australia losing to Julien Lorcy of France. He represented Canada at the 1992 Summer Olympics in Barcelona but was stopped in the second round of the lightweight division by Ronald Chavez of the Philippines.
Djamel Lifa is a French former professional boxer who competed from 1992 to 2001, holding the European super featherweight title from 1997 to 1998. As an amateur, he represented his country at the 1992 Summer Olympics.
Roberto Garcia Cortez is a Mexican-American former professional boxer who competed from 1992 to 2001, and held the IBF junior lightweight title from 1998 to 1999. He has since worked as a boxing trainer, and was voted Trainer of the Year by The Ring magazine in 2011, and by the Boxing Writers Association of America in 2012. He is the older brother of professional boxer Mikey Garcia, who was a world champion in four weight classes.
Takeshi Fuji is a Hawaiian-born Japanese former professional boxer. He is a former Lineal, WBA and WBC super lightweight champion.
Ralph Dupas was an American boxer from New Orleans who reigned as the World Boxing Association and World Boxing Council world junior middleweight champion in 1963.
Vasiliy Anatolyevich Lomachenko, also spelled Vasyl Anatoliyovych Lomachenko, is a Ukrainian professional boxer. He has held multiple world championships in three weight classes, from featherweight to lightweight, including the International Boxing Federation (IBF) lightweight title since May 2024. Previously he held unified and Ring magazine titles at lightweight.
Jason Cook is a former professional boxer, who fought under the nickname "The Power". As an amateur, he won a silver medal for Wales at the 1994 Commonwealth Games. As a professional, he has fought as a lightweight, and has won both the European and IBO championships at the weight. He currently campaigns at Light-Welterweight, and fights out of Fight Academy Wales gym in Llanharan, South Wales under the guidance of professional coach Darren Wilson.
Thomas Patrick Donovan was a New Zealand amateur boxer and rugby union player. He represented his country in boxing at the 1956 and 1964 Olympic Games, and won bronze medals at the 1958 and 1962 British Empire and Commonwealth Games. He also played representative rugby for Hawke's Bay.
Lázaro Jorge Álvarez Estrada is a Cuban professional and amateur boxer. As an amateur, Álvarez won the world title in 2011, 2013 and 2015. He also won gold medals at the 2011, 2015, and 2019 Pan American Games and bronze medals at the 2012, 2016 and 2020 Olympics. He is a southpaw. His amateur record is currently 213-37, with 15 knockouts.
Joe Cordina is a Welsh-Maltese professional boxer. He is a two-time super-featherweight world champion, having held the International Boxing Federation (IBF) title from April 2023 until May 2024 and previously in 2022.
Teófimo Andrés López Rivera is an American professional boxer. He has held multiple world championships in two weight classes, including the World Boxing Organization (WBO) and Ring magazine light welterweight titles since 2023; previously he held the unified World Boxing Association (WBA), International Boxing Federation (IBF), WBO, and Ring lightweight titles between 2019 and 2021. Lopez has also held the lineal championship at lightweight and light welterweight.
Italy 
