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WBO Minimumweight Boxing Rankings — May 2023

Official Minimumweight rankings for May 2023 from the WBO.

Presented as a historical snapshot for that month. Use the weight-class arrows to move up or down divisions, the month controls to jump between updates, and click any fighter's name to see their ranking history with the WBO.

Division
Period
Org
RankWBOMay 2023
🏆Philippines flagMelvin Jerusalem
Champion

1Puerto Rico flagOscar Collazo
2Philippines flagVic Saludar
3Mexico flagLuis Castillo
4Japan flagMasataka Taniguchi
5Philippines flagArar Andales
6Japan flagGoki Kobayashi▲+5
7Japan flagTsubasa Koura▼-1
8South Africa flagAyanda Ndulani▼-1
9Peru flagRicardo Astuvilca▼-1
10South Africa flagSiphamandla Baleni▼-1
11South Africa flagBangile Nyangani▼-1
12Philippines flagGaren Diagan
13Mexico flagYudel Reyes
14Nicaragua flagReyneris GutierrezNEW
15Puerto Rico flagWilfredo Mendez

Source: WBO

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About the Minimumweight Division

Weight Limit: 105 lbs and below (47.6 kg)

Minimumweight, also known as Strawweight, is the lightest weight class in professional boxing. Established in 1987, it features the smallest fighters in the sport.

Division Characteristics

Minimumweights are known for their exceptional speed, technical skill, and ability to fight at a very high pace. Fighters in this division typically rely on skill, speed, and volume punching.

Notable Facts

The Minimumweight division has produced many exciting fighters and competitive matchups. Despite being the lightest division, fights are often fast-paced and action-packed.

Historical Context

As the newest and lightest division in professional boxing, Minimumweight provides opportunities for smaller fighters who might not be competitive in heavier divisions.

Learn more about how boxing rankings work or explore current world champions across all divisions.

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Compare WBA, WBC, IBF & WBO in Minimumweight.

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Month-over-month changes since April 2023

Entered the top 10

  • JP flag
    Goki KobayashiPreviously #11, enters at #6

Dropped out of the top 10

  • ZA flag
    Bangile NyanganiDropped to #11

Biggest risers

  • JP flag
    Goki KobayashiNow #6 after #11 last month
    ▲+5

Biggest fallers

  • JP flag
    Tsubasa KouraDown one place to #7
    ▼-1
  • ZA flag
    Ayanda NdulaniDown one place to #8
    ▼-1
  • PE flag
    Ricardo AstuvilcaDown one place to #9
    ▼-1

WBO Minimumweight Title History

Champions who have held each belt, from oldest to most recent. Title history only goes back as far as our earliest WBO monthly rankings (January 2000).

WBO Minimumweight — Super Champion

Puerto Rico flagIvan Calderon
September 2006 — October 2007
1 year 2 months

WBO Minimumweight — Champion

Puerto Rico flagOscar Collazo
June 2023 — Current
3 years
Philippines flagMelvin Jerusalem
January 2023 — June 2023
6 months
Japan flagMasataka Taniguchi
January 2022 — January 2023
1 year 1 month
Puerto Rico flagWilfredo Mendez
September 2019 — January 2022
2 years 5 months
Philippines flagVic Saludar
July 2018 — September 2019
1 year 3 months
Japan flagRyuya Yamanaka
September 2017 — July 2018
11 months
Japan flagTatsuya Fukuhara
April 2017 — September 2017
6 months
Japan flagKatsunari Takayama
September 2016 — April 2017
8 months
Japan flagKosei Tanaka
June 2015 — April 2016
11 months
Japan flagKatsunari Takayama
January 2015 — March 2015
3 months
Mexico flagFrancisco Rodriguez Jr
April 2014 — December 2014
9 months
Philippines flagMerlito Sabillo
April 2013 — April 2014
1 year 1 month
Mexico flagMoises Fuentes
September 2011 — April 2013
1 year 8 months
Dominican Republic flagRaul Garcia
March 2011 — September 2011
7 months
Philippines flagDonnie Nietes
October 2007 — March 2011
3 years 6 months
Puerto Rico flagIvan Calderon
May 2003 — September 2006
3 years 5 months
Nicaragua flagEduardo Marquez
April 2003 — May 2003
2 months
Mexico flagJorge Mata Cuellar
December 2002 — April 2003
5 months
Colombia flagKermin Guardia
January 2000 — December 2002
3 years

WBO Minimumweight — Interim Champion

Japan flagTatsuya Fukuhara
March 2017 — April 2017
2 months
Philippines flagMerlito Sabillo
March 2013 — April 2013
2 months
Dominican Republic flagRaul Garcia
November 2010 — March 2011
5 months
Mexico flagManuel Vargas
January 2009 — October 2009
10 months
Colombia flagDaniel Reyes
October 2008 — January 2009
4 months