10 rounds

Frank
Lux
VS
Marvin
Johnson

Johnson · KO 4/10

Dec 4, 1985 · Market Square Arena, Indianapolis, 🇺🇸

Lux going in—

Johnson going in40-5-0

Confirmation✓ one source

MethodKO

Round4 of 10 · 0:55

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Marvin_Johnson_(boxer)

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