OPBF featherweight title · 12 rounds

Jojo
Cayson
VS
Park
Yong-kyun

Yong-kyun · KO 8/12

Jan 21, 1990 · Munhwa Gymnasium, Seoul, 🇰🇷

Cayson going in—

Yong-kyun going in13-1-1

Confirmation✓ one source

MethodKO

Round8 of 12 · 1:35

TitleOPBF featherweight title

Sources

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

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