8 rounds

Mack
Heimbaugh
VS
Julian
Jackson

Jackson · TKO 4/8

Nov 17, 1982 · Civic Arena, St. Joseph, Missouri, 🇺🇸

Heimbaugh going in—

Jackson going in9-0-0

Confirmation✓ one source

MethodTKO

Round4 of 8

Sources

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

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