- Professional Combat Sport Championship Histories -
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| National Boxing Association | ( | 1921-01 | - | 1960-08 | ) |
| World Boxing Association | ( | 1960-08 | - | ) |
* Also known as junior/light welterweight.
* Bolded letters in the competitor's name, if any, indicate the surname/family name.
| Pinky Mitchell | 1922-11-22 | |
| Voted by the readers of the Boxing Blade, a Minneapolis weekly newspaper, and recognized by the NBA as the first champion; Red Herring (James Herring) defeats Mitchell, exceeding the weight limit entering the match, by disqualification for "hitting in breakaway" on 25-03-27 in Detroit, MI, USA (The Detroit Free Press, 25-03-28); the commission rules that Mitchell is still the champion due to the agreed conditions being unobserved during the match (The Brooklyn Daily Eagle, 25-04-12); Herring is billed as the United States champion (Associated Press, 25-04-01) but continues to claim the world title until 29. | ||
| Mushy Callahan | 1926-09-21 | Vernon, CA, USA |
| Also recognized by NYSAC. | ||
| Jackie Berg | 1930-02-18 | London, ENG, GBR |
| Tony Canzoneri | 1931-04-24 | Chicago, IL, USA |
| A double title match with the lightweight champion; Berg continues to claim the title because of the lightweight limit in the match rather than the junior welterweight limit (The Brooklyn Daily Times, 31-08-03); Berg again loses to Canzoneri on 31-09-10 in New York, NY, USA but still continues to claim the title with the support of The Ring magazine (United Press, 32-12-11). | ||
| Johnny Jadick | 1932-01-18 | Philadelphia, PA, USA |
| Recognition withdrawn by NBA during the annual convention on 32-09-20 (The Baltimore Sun, 32-09-21). | ||
| Tippy Larkin | 1946-04-29 | Boston, MA, USA |
| Defeats Willie Joyce and is recogniezd by NYSAC and NBA (Boston Herald, 46-04-29); vacates on 46-11-05; division inactive until 59. | ||
| Carlos Ortiz | 1959-06-12 | New York, NY, USA |
| Defeats Kenny Lane. | ||
| Duilio Loi | 1960-09-01 | Milan, ITA |
| NBA becomes WBA on 62-08-23. | ||
| Eddie Perkins | 1962-09-14 | Milan, ITA |
| Duilio Loi | 1962-12-15 | Milan, ITA |
| Vacates in 63-01 upon retirement. | ||
| Roberto Cruz | 1963-03-21 | Los Angeles, CA, USA |
| Defeats Battling Torres. | ||
| Eddie Perkins [2] | 1963-06-15 | Manila, PHI |
| Carlos Hernández | 1965-01-18 | Caracas, VEN |
| Sandro Lopopolo | 1966-04-29 | Rome, ITA |
| Fuji Takeshi (Paul Fuji) | 1967-04-30 | Tōkyō, JPN |
| Nicolino Locche | 1968-12-12 | Tōkyō, JPN |
| Alfonso Frazer | 1972-03-10 | Panama City, PAN |
| Antonio Cervantes | 1972-10-28 | Panama City, PAN |
| Wilfred Benítez | 1976-03-06 | San Juan, PR, USA |
| Stripped of the title in 77-01 after Benitez cancels several scheduled title defenses following an automobile accident in 76-11. | ||
| Antonio Cervantes [2] | 1977-06-25 | Maracaibo, VEN |
| Defeats Carlos María Giménez. | ||
| Aaron Pryor | 1980-08-02 | Cincinnati, OH, USA |
| Vacant on 83-09-09 upon (temporary) retirement. | ||
| Johnny Bumphus | 1984-01-22 | Atlantic City, NJ, USA |
| Defeats Lorenzo Luis García. | ||
| Gene Hatcher | 1984-06-01 | Buffalo, NY, USA |
| Ubaldo Nestor Sacco | 1985-07-21 | Campione d'Italia, ITA |
| Patrizio Oliva | 1986-03-15 | Fontvieille, MON |
| Juan Martin Coggi | 1987-07-04 | Ribera, ITA |
| Loreto Garza | 1990-08-17 | Nice, FRA |
| Edwin Rosario | 1991-06-14 | Sacramento, CA, USA |
| Akinobu Hiranaka | 1992-04-10 | Mexico City, DF, MEX |
| Morris East | 1992-09-09 | Tōkyō, JPN |
| Juan Martin Coggi [2] | 1993-01-12 | Buenos Aires, ARG |
| Frankie Randall | 1994-09-17 | Las Vegas, NV, USA |
| Juan Martin Coggi [3] | 1996-01-13 | Miami, FL, USA |
| Frankie Randall [2] | 1996-08-16 | Buenos Aires, ARG |
| Khalid Rahilou | 1997-01-11 | Nashville, TN, USA |
| Sharmba Mitchell | 1998-10-10 | Paris, FRA |
| Vacant on 01-02-03 when Mitchell fights Kostya Tszyu for the "Super" title. | ||
| Kostya Tszyu | 2001-02-03 | Las Vegas, NV, USA |
| WBC champion, defeats Sharmba Mitchell, who has vacated WBA world title for the match, to become the "Super" champion; Diosbelys Hurtado becomes the "Regular" world champion on 02-05-11; Tszyu is stripped of his title on 04-03-16 due to inactivity. | ||
| Ricky Hatton | 2005-11-26 | Sheffield, ENG, GBR |
| IBF champion, defeats Carlos Maussa, who has vacated WBA "Regular" world title for the match; vacates on 06-05-04 to move up to the welterweight class. | ||
| Amir Khan | 2011-07-23 | Paradise, NV, USA |
| "Regular" world champion, defeats IBF champion Zab Judah to become the "Super" champion. | ||
| Lamont Peterson | 2011-12-10 | Paradise, NV, USA |
| Stripped of the title on 12-06-27 after testing positive for testosterone on a random test in 12-03. | ||
| Amir Khan [2] | 2012-07-11 | |
| Reinstated as the champion. | ||
| Danny García | 2012-07-14 | Las Vegas, NV, USA |
| Vacates on 15-09-11 to move up to the welterweight class. | ||
| Julius Indongo | 2017-04-15 | Glasgow, SCT, GBR |
| IBF & IBO champion, defeats Ricky Burns, who has vacated WBA "Regular" world title for the match; stripped of the IBO title in 17-08-07. | ||
| Terence Crawford | 2017-08-19 | Lincoln, NE, USA |
| Wins WBA Super and IBF world titles; also holds WBC & WBO world titles; vacates IBF title on 17-08-30 due to inability to make a mandatory defense within the prescribed time limit; vacates other titles on 17-10-26 to move up to the welterweight class. | ||
| Josh Taylor | 2019-10-26 | London, ENG, GBR |
| IBF champion, defeats WBA "Regular" world champion Regis Prograis to become the WBA Super champion; also wins WBC and WBO world titles on 21-05-22; stripped of the WBA title on 22-05-14 when Taylor is unable to defend the title against Alberto Puello (WBA official website, 22-05-14). | ||
| Alberto Puello | 2022-08-20 | Hollywood, FL, USA |
| Defeats Botirzhon Akhmedov; named champion-in-recess on 23-05-10 after being tested positive for a performance-enhancing drug (BoxingScene). | ||
| Rolando Romero | 2023-05-13 | Las Vegas, NV, USA |
| Defeats Ismael Barroso; named champion in recess in 23-10 due to injury. | ||
| Isaac Cruz | 2024-03-30 | Paradise, NV, USA |
| José Valenzuela | 2024-08-03 | Los Angeles, CA, USA |
| Gary Antuanne Russell | 2025-03-01 | Brooklyn, NY, USA |
