Became champion:
Won the title by defeating Hiroto Kyoguchi.
First shown in November 2022 rankingsView sourceLight Flyweight boxing rankings archive for August 2008 across organizations. Combined rankings list, not fight records. Single-organization lists: WBA, WBC, IBF, WBO or RING, or view the latest Light Flyweight rankings.
Sources
August 2008 archive
Box-Rank presents each published list in a consistent format. Browse this division and its archive, read the methodology, or see how Box-Rank differs from BoxRec.
How many names moved on each organisation’s list this month.
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Champions who have held each belt, from oldest to most recent. Title history only goes back as far as our earliest WBA monthly rankings (August 1975).
Became champion:
Won the title by defeating Hiroto Kyoguchi.
First shown in November 2022 rankingsView sourceBecame champion:
Won the title by defeating Hekkie Budler.
First shown in December 2018 rankingsView sourceBecame champion:
Won the title by defeating Ryoichi Taguchi.
First shown in May 2018 rankingsView sourceBecame champion:
Won the title by defeating Milan Melindo.
First shown in December 2017 rankingsView sourceBecame champion:
Was promoted to WBA Super Champion after five light flyweight defenses, the WBA published its announcement on 30 November 2012, with differing 28 and 29 November datelines in its English and Spanish text.
First shown in November 2012 rankingsView sourceBecame champion:
Won the title by defeating Ivan Calderon.
First shown in August 2010 rankingsView sourceBecame champion:
Won the vacant title by stopping Carlos Canizales in the seventh round in Yokohama.
First shown in September 2026 rankingsView sourceBecame champion:
Won the WBA title by split decision against Kyosuke Takami in Tokyo, unifying it with his WBO title.
First shown in December 2025 rankingsView sourceBecame champion:
Won the title by defeating Neidar Valdez.
First shown in December 2024 rankingsView sourceBecame champion:
Won the title by defeating Carlos Canizales.
First shown in May 2021 rankingsView sourceBecame champion:
Won the title by defeating Reiya Konishi.
First shown in March 2018 rankingsView sourceBecame champion:
Won the title by defeating Alberto Rossel.
First shown in December 2014 rankingsView sourceBecame champion:
Was elevated from interim to WBA world champion by the signed Championships Committee resolution dated 8 July 2014, after Kazuto Ioka relinquished the title.
First shown in July 2014 rankingsView sourceBecame champion:
Won the title by defeating Jose Alfredo Rodriguez.
First shown in December 2012 rankingsView sourceBecame champion:
Was elevated from interim to full WBA champion after Juan Carlos Reveco relinquished the light flyweight title to move up to flyweight.
First shown in January 2011 rankingsView sourceBecame champion:
The source lists this reign start but does not specify how the title was acquired.
First shown in rankingsView sourceBecame champion:
Was elevated from interim to WBA world champion while Brahim Asloum was champion in recess.
First shown in May 2009 rankingsView sourceBecame champion:
Won the title by defeating Juan Carlos Reveco.
First shown in December 2007 rankingsView sourceBecame champion:
Won the title by defeating Nethra Sasiprapa.
First shown in June 2007 rankingsView sourceBecame champion:
Won the title by defeating Juan Jose Landaeta.
First shown in August 2006 rankingsView sourceBecame champion:
Won the vacant title by defeating Beibis Mendoza.
First shown in rankingsView sourceBecame champion:
Won the title by defeating Beibis Mendoza.
First shown in March 2001 rankingsView sourceBecame champion:
Won the title by defeating Rosendo Alvarez.
First shown in August 2000 rankingsView sourceBecame champion:
Won the title by stopping Keiji Yamaguchi in the second round.
First shown in July 2000 rankingsView sourceBecame champion:
Won the title by stopping Keiji Yamaguchi in the second round.
First shown in May 2000 rankingsView sourceBecame champion:
Won the title by stopping Keiji Yamaguchi in the second round.
First shown in February 2000 rankingsView sourceBecame champion:
Won the title by stopping Keiji Yamaguchi in the second round.
First shown in January 2000 rankingsView sourceBecame champion:
Won the vacant interim title by knocking out Francisco Rosas in the second round.
First shown in October 2010 rankingsView sourceBecame champion:
Won the vacant interim title by defeating Francisco Rosas by split decision.
First shown in July 2009 rankingsView sourceBecame champion:
Won the interim title by stopping Cesar Canchila in the fourth round of their rematch.
First shown in March 2009 rankingsView sourceBecame champion:
Won the interim title by defeating Giovanni Segura by unanimous decision.
First shown in July 2008 rankingsView sourceBecame champion:
Won the interim WBA title by defeating Choi Yo-sam by unanimous decision in Yeosu, South Korea.
First shown in June 2004 rankingsView sourceChampions who have held each belt, from oldest to most recent. Title history only goes back as far as our earliest WBC monthly rankings (April 1975).
Became champion:
Won the title against Thammanoon Niyomtrong in Yokohama, with the JBC later amending the result from a technical decision to an eighth-round technical knockout after video showed the decisive cut came from a legal punch.
First shown in April 2026 rankingsView sourceBecame champion:
Won the vacant WBC title by defeating Junior Zarate by unanimous decision in Bangkok, after Carlos Canizales was named Champion in Recess.
First shown in February 2026 rankingsView sourceBecame champion:
Won the title by defeating Panya Pradabsri.
First shown in August 2025 rankingsView sourceBecame champion:
Won the title by defeating Carlos Canizales.
First shown in February 2025 rankingsView sourceBecame champion:
Won the title by defeating Masamichi Yabuki.
First shown in April 2022 rankingsView sourceBecame champion:
Won the title by defeating Kenshiro Teraji.
First shown in February 2022 rankingsView sourceBecame champion:
Won the title by defeating Pedro Guevara.
First shown in December 2015 rankingsView sourceBecame champion:
Won the title by defeating Akira Yaegashi.
First shown in May 2015 rankingsView sourceBecame champion:
Won the title by defeating Adrián Hernández.
First shown in May 2014 rankingsView sourceBecame champion:
Won the title by defeating Brian Viloria.
First shown in August 2008 rankingsView sourceBecame champion:
Won the vacant title by defeating José Antonio Aguirre.
First shown in rankingsView sourceBecame champion:
Won the vacant title by defeating Kang Soon-Jung.
First shown in rankingsView sourceBecame champion:
Won the WBC title by knocking out Hilario Zapata in the second round in Panama City.
First shown in February 1982 rankingsView sourceBecame champion:
Won the title by defeating Netrnoi Sor Vorasingh.
First shown in rankingsView sourceChampions who have held each belt, from oldest to most recent. Title history only goes back as far as our earliest IBF monthly rankings (December 1983).
Became champion:
Won the vacant IBF title by defeating Cristian Araneta by split decision in Tokyo.
First shown in June 2025 rankingsView sourceBecame champion:
Won the title by defeating Sivenathi Nontshinga.
First shown in October 2024 rankingsView sourceBecame champion:
Won the title by defeating Adrian Curiel.
First shown in February 2024 rankingsView sourceBecame champion:
Won the IBF title by knocking out Sivenathi Nontshinga in the second round in Monte Carlo.
First shown in October 2023 rankingsView sourceBecame champion:
Won the title by defeating Hector Flores.
First shown in September 2022 rankingsView sourceBecame champion:
Won the title by defeating Randy Petalcorin.
First shown in October 2018 rankingsView sourceBecame champion:
Won the title by defeating Ryoichi Taguchi.
First shown in May 2018 rankingsView sourceBecame champion:
Won the title by defeating Milan Melindo.
First shown in December 2017 rankingsView sourceBecame champion:
Won the title by defeating Akira Yaegashi.
First shown in May 2017 rankingsView sourceBecame champion:
Won the title by defeating Javier Mendoza.
First shown in December 2015 rankingsView sourceBecame champion:
Won the title by defeating Ramon Garcia Hirales.
First shown in September 2014 rankingsView sourceBecame champion:
Was elevated from interim to full IBF champion after Ulises Solis could not meet the defense deadline, as reported on 20 July 2012 with a quotation from the IBF letter declaring immediate promotion.
First shown in July 2012 rankingsView sourceBecame champion:
Won the title by defeating Carlos Tamara.
First shown in June 2010 rankingsView sourceBecame champion:
Won the title by defeating Brian Viloria.
First shown in February 2010 rankingsView sourceBecame champion:
Won the title by defeating Ulises Solís.
First shown in May 2009 rankingsView sourceBecame champion:
Won the title by defeating Will Grigsby.
First shown in January 2006 rankingsView sourceBecame champion:
Won the vacant title by defeating Ratanapol Sor Vorapin.
First shown in rankingsView sourceBecame champion:
Won the vacant title by defeating Manuel Herrera.
First shown in rankingsView sourceBecame champion:
Won the vacant title by defeating Melchor Cob Castro.
First shown in rankingsView sourceChampions who have held each belt, from oldest to most recent. Title history only goes back as far as our earliest WBO monthly rankings (May 1989).
Became champion:
Was announced as WBO Super Champion at the opening of the Orlando convention, with the belt presentation scheduled for the later gala dinner.
First shown in November 2015 rankingsView sourceBecame champion:
Won the title by defeating Hugo Cázares.
First shown in September 2007 rankingsView sourceBecame champion:
Won the WBO title by defeating Shokichi Iwata by unanimous decision.
First shown in March 2025 rankingsView sourceBecame champion:
Won the title by defeating Jairo Noriega.
First shown in October 2024 rankingsView sourceBecame champion:
Won the title by defeating Elwin Soto.
First shown in October 2021 rankingsView sourceBecame champion:
Won the title by defeating Juan Alejo.
First shown in December 2017 rankingsView sourceBecame champion:
Won the title by defeating Moises Fuentes.
First shown in January 2017 rankingsView sourceBecame champion:
Won the title by defeating Ramón García Hirales.
First shown in November 2011 rankingsView sourceBecame champion:
Won the title by stopping Ivan Calderon in the eighth round.
First shown in November 2010 rankingsView sourceBecame champion:
Promoted from Interim Champion after Giovanni Segura relinquished the title, Segura was subsequently reinstated.
First shown in October 2010 rankingsView sourceBecame champion:
Won the title by stopping Ivan Calderon in the eighth round.
First shown in September 2010 rankingsView sourceBecame champion:
Won the title by defeating Nelson Dieppa.
First shown in March 2007 rankingsView sourceBecame champion:
Won the title by defeating Nelson Dieppa.
First shown in August 2005 rankingsView sourceBecame champion:
Won the title by defeating Andy Tabanas.
First shown in July 2005 rankingsView sourceBecame champion:
Won the title by defeating Andy Tabanas.
First shown in April 2001 rankingsView sourceBecame champion:
Initially awarded the vacant title against Nelson Dieppa, the result was later changed to a no-decision and Grigsby was stripped after failed drug tests.
First shown in July 2000 rankingsView sourceBecame champion:
Won the title by defeating Jacob Matlala.
First shown in February 2000 rankingsView sourceBecame champion:
Won the interim WBO title by stopping Kevin Vivas in the twelfth round in Managua.
First shown in November 2023 rankingsView sourceBecame champion:
Won the interim title by stopping Luis De La Rosa in the first round.
First shown in September 2013 rankingsView sourceBecame champion:
Won the interim title by split decision against John Riel Casimero.
First shown in August 2010 rankingsView sourceBecame champion:
Won the interim title by stopping Cesar Canchila.
First shown in January 2010 rankingsView sourceChampions who have held each belt, from oldest to most recent. Title history only goes back as far as our earliest RING monthly rankings (September 1995).
Became champion:
Won the title by defeating Hiroto Kyoguchi.
First shown in May 2023 rankingsView sourceBecame champion:
Won the title by defeating Hekkie Budler.
First shown in January 2019 rankingsView sourceBecame champion:
Won the title by defeating Ryoichi Taguchi.
First shown in June 2018 rankingsView sourceBecame champion:
Won the title by defeating Milan Melindo.
First shown in February 2018 rankingsView sourceBecame champion:
Won the title by defeating Moises Fuentes.
First shown in May 2014 rankingsView sourceBecame champion:
Won the title by knocking out Ivan Calderon in the eighth round.
First shown in September 2010 rankingsView sourceBecame champion:
Won the title by defeating Hugo Cazares.
First shown in September 2007 rankingsView sourceBecame champion:
Won the title by defeating Nelson Dieppa.
First shown in October 2006 rankingsView sourceBecame champion:
Won the title by defeating Beibis Mendoza.
First shown in April 2003 rankingsView source
