Saturday, 7 November 2026 · updated at 18:12
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Minimumweight · Rankings · First reported: 2 Nov, 17:29 · BoxingScene

Oscar Collazo vacates WBO minimumweight title, Ryusei Matsumoto elevated to champion

Puerto Rican Oscar Collazo has relinquished his WBO minimumweight world title, won in 2022 in Los Angeles and defended ten times. The decision came ahead of a purse bid. Japanese Ryusei Matsumoto, holder of the interim belt, has been elevated to full champion.

Independent sources report the facts of the vacancy, while WBC reports president Olivieri's statements on the reasons for the decision.

Neutral summary generated from the sources below. No article is reproduced: headline, one line and link.
3
sources
3
countries
2
angles
Distance between anglesmedium
Coverageall neutral
countriesPR · US · IT
FightersCollazo · Matsumoto
Every angle · affiliations are declared on the Sources page
WBC
1 source
The WBC responds to Oscar Collazo's world title resignation: "We wish him the best in the world"
Boxeo Mundial · PR
original: La OMB responde a la renuncia del título mundial de Oscar Collazo: “Le deseamos lo mejor del mundo”
Independent
2 sources
Oscar Collazo renounces WBO straw title. Ryusei Matsumoto new champion
BoxeRingWeb · IT
original: Oscar Collazo rinuncia al mondiale paglia WBO. Ryusei Matsumoto nuovo campione
Who is not covering it
ESPN Boxing, Gazzetta dello Sport, Sky Sport, The Ring, Boxing News Japan, Corriere dello Sport, FPI Pro Boxe. Outlets expected by weight and country that have not written about it.

Who reported it first

2 Nov · 17:29
BoxingScene: Oscar Collazo vacates WBO title, Ryusei Matsumoto elevated to full champion
2 Nov · 18:04
BoxeRingWeb: Oscar Collazo renounces WBO straw title. Ryusei Matsumoto new champion
3 Nov · 22:15
Boxeo Mundial: The WBC responds to Oscar Collazo's world title resignation: "We wish him the best in the world"
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