For vacant South American light welterweight title · 12 rounds

Zenon
Silgado
VS
Alfonso
Frazer

Silgado · KO 5/12

Feb 10, 1979 · Plaza Monumental, Cartagena, 🇨🇴

Silgado going in—

Frazer going in43-11-3

Confirmation✓ one source

MethodKO

Round5 of 12

TitleFor vacant South American light welterweight title

Sources

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

✓