Vacant WBO flyweight title · 12 rounds

Angel
Rosario
VS
Isidro
Pérez

Pérez · TKO 12/12

Aug 18, 1990 · Auditorio Juan Pachín Vicéns, Ponce, 🇵🇷

Rosario going in—

Pérez going in53-6-3

Confirmation✓ one source

MethodTKO

Round12 of 12

TitleVacant WBO flyweight title

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Isidro_Pérez

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