Vacant WBC lightweight title · 12 rounds

Edwin
Rosario
VS
José
Luis Ramírez

Rosario · UD 12/12

May 1, 1983 · Coliseo Roberto Clemente, San Juan, 🇵🇷

Rosario going in21-0-0

Ramírez going in82-4-0

Confirmation✓✓ two sources

MethodUD

Round12 of 12

TitleVacant WBC lightweight title

Sources

English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/Edwin_Rosario

✓

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

✓