10 rounds

Carlos
Marks
VS
Marvin
Johnson

Johnson · UD 10/10

Sep 20, 1979 · Market Square Arena, Indianapolis, 🇺🇸

Marks going in—

Johnson going in22-3-0

Confirmation✓ one source

MethodUD

Round10 of 10

Sources

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

✓