770 articles
Jermell Charlo
Jermell Charlo, "Iron Man" (born 1990), American super welterweight boxer, twin brother of Jermall Charlo; first undisputed male 154-pound champion of the four-belt era, 35-2-1 (19 KOs), inactive since a 2023 loss to Canelo Alvarez.
Jerry Page
Jerry Page (Jeremy Louis Page, born 1961, Columbus, Ohio) is an American boxer, 1984 Olympic light-welterweight gold medalist and 1983 Pan American Games silver medalist; pro record 11-4.
Jerry Quarry
Jerry Quarry, nicknamed "Irish" Jerry Quarry, was an American heavyweight boxer who was ranked the No. 1 contender three times in the 1960s and 1970s.
Jersey Joe Walcott
Jersey Joe Walcott (Arnold Raymond Cream, 1914–1994), American heavyweight boxer. Won the world heavyweight title July 18, 1951, KO7 of Ezzard Charles, at 37 the oldest champion until George Foreman; lost to Rocky Marciano in 1952.
Jerzy Kulej
Jerzy Kulej was a Polish amateur boxer who won gold at the 1964 and 1968 Olympics, making him the only Polish boxer with two titles. He also served in parliament.
Jerzy Rybicki
Jerzy Rybicki (born 1953, Warsaw) is a Polish boxer, Gwardia Warszawa, who won light-middleweight gold at Montreal 1976 and middleweight bronze at Moscow 1980, the last Polish Olympic boxing champion.
Jess Willard
Jess Willard, also known as Jess Myron Willard, was an American heavyweight boxing champion from 1915 to 1919 who won the title by knocking out Jack Johnson in Havana.
Jesse Ferguson
Jesse Ferguson, aka The Boogieman, born 1957, American heavyweight boxer (1983–1999, 26-18) who won ESPN's 1985 Young Heavyweight tournament, beat Buster Douglas and Ray Mercer, lost to Tyson in 1986, and challenged Riddick Bowe for the WBA title in 1993.
Jessica Borga
Jessica Borga, nicknamed "The Black Widow," is an American bare-knuckle boxer from Lakeland, Florida, and the inaugural BKFC Women's Featherweight Champion, winning the title in 2025.
Jessica McCaskill
Jessica "CasKILLA" McCaskill, American pro boxer from St. Louis based in Chicago; undisputed welterweight champion after upsetting Cecilia Braekhus in 2020; former WBA/WBC super lightweight titlist; works as an investment-bank analyst.
Jessie Vargas
Jessie Vargas (born 1989), "The Pride of Las Vegas", American boxer; WBA regular light welterweight champion 2014-15 and WBO welterweight champion 2016, lost title to Manny Pacquiao; record 29-3-2, 11 KOs.
Jimmy Doyle (boxer)
Jimmy Doyle (Emerson James Delaney, 1924-1947) was an American welterweight boxer from Los Angeles who died after a 1947 world title loss to Sugar Ray Robinson.
Jimmy Young (boxer)
Jimmy Young (1948-2005), Philadelphia heavyweight contender of the 1970s; lost disputed decisions to Ali and Norton, beat Foreman and Lyle twice; record about 35-18-3, 12 KOs.
Jochen Bachfeld
Jochen Bachfeld (1952-2026), East German amateur boxer from Schwerin, Olympic welterweight gold medalist at Montreal 1976, also boxed featherweight at Munich 1972 and won two GDR titles.
Joe Bugner
Joe Bugner (József Kreul Bugner, 1950–2025), Hungarian-born British-Australian heavyweight boxer; twice went 15 and 12 rounds with Muhammad Ali, lost to Frazier, beat Henry Cooper 1971, won WBF title at 48.
Joe Calzaghe
Joe Calzaghe (born 1972, London) is a Welsh former boxer, nicknamed the Pride of Wales, who held the WBO super-middleweight title over ten years, unified 168 lbs, and retired 46-0 (32 KOs) in 2009.
Joe Fournier
Joe Fournier (Jocelyn Faisal Jules Fournier), British nightclub owner and light-heavyweight boxer, 'The Billionaire'. 9-0 (9 KOs) pro record, doping ban, WBA International title removed from record, exhibition losses to David Haye and an overturned elbow KO by KSI in 2023.
Joe Frazier
Joe Frazier (1944-2011), "Smokin' Joe", American heavyweight boxer, undisputed champion 1970-73, Tokyo 1964 Olympic gold medalist, first man to beat Muhammad Ali (1971), record 32-4-1, lost Thrilla in Manila 1975.
Joe Frazier vs. George Foreman
Joe Frazier vs. George Foreman, the Sunshine Showdown of January 22, 1973 in Kingston, Jamaica: undefeated champion Frazier (29-0) lost the WBA, WBC and Ring heavyweight titles when 37-0 challenger Foreman knocked him down six times for a second-round TKO.
Joe Joyce (boxer)
Joe Joyce (Joseph Obey Joyce, born 1985), "The Juggernaut", English heavyweight boxer; 2016 Olympic super-heavyweight silver medallist, former WBO interim heavyweight champion; beat Dubois and Parker, lost twice to Zhilei Zhang; record 16-5, 15 KOs.
Joe Louis
Joe Louis (Joseph Louis Barrow, 1914-1981), the Brown Bomber, American heavyweight boxing champion 1937-1949 with a record 25 title defenses; lost to Max Schmeling in 1936, avenged him with a 1938 first-round knockout.
Joe Louis vs. Max Schmeling
Joe Louis vs. Max Schmeling: two 1936 and 1938 Yankee Stadium heavyweight fights. Schmeling knocked Louis out in 12 rounds in 1936; Louis avenged it with a 2:04 first-round KO in 1938, a democracy-versus-Nazism symbol.
Joe Louis vs. Rocky Marciano
Joe Louis vs. Rocky Marciano, October 26, 1951, Madison Square Garden: the 27-year-old undefeated Marciano knocked out the 37-year-old former champion Louis in eight rounds, ending Louis's career and launching Marciano's title run.
Joe Smith Jr.
Joe Smith Jr. (born 1989) is a retired American light heavyweight boxer from Long Island, nicknamed The Beast and The Common Man, former WBO world champion who knocked Bernard Hopkins out of the ring and worked as a Local 66 union laborer.
Johann Duhaupas
Johann "Reptile" Duhaupas, French heavyweight boxer born 1981 in Abbeville, 39-7 (26 KOs), French and EU champion, who lasted 11 rounds against Deontay Wilder for the WBC title in 2015 and beat Robert Helenius.
John Douglas
John Douglas (John William Henry Tyler Douglas, 1882-1930), English boxer and cricketer; won 1908 Olympic middleweight boxing gold, captained England cricket 18 times, drowned in the Kattegat aboard the SS Oberon; distinct from the Guyanese boxer and NZ sailor of the same name.
John Fury
John Fury, nicknamed Gypsy John, Irish-British former heavyweight boxer (8-4-1, 1987-1995) and bare-knuckle fighter; father and cornerman of Tyson and Tommy Fury, ex-prisoner, later estranged from Tyson.
John H. Stracey
John H. Stracey (born 1950, Bethnal Green) is an English boxer who won British, European and WBC welterweight titles, beating José Nápoles in Mexico City in 1975 and losing the belt to Carlos Palomino in 1976.
John L. Sullivan
John L. Sullivan (1858–1918), the "Boston Strong Boy," was American heavyweight boxing champion 1882–1892, the last bare-knuckle champion (Kilrain, 1889, 75 rounds) and first gloved-era figure, losing to Corbett in 1892.
John Riel Casimero
John Riel Casimero (Quadro Alas), Filipino boxer born 1989 in Ormoc City, three-division world champion: IBF light flyweight 2012-2014, IBF flyweight 2016, WBO bantamweight 2019-2022; 36-5-1, 24 KOs.