6 rounds

Janos
Olah
VS
Mark
Heffron

Heffron · KO 1/6

Aug 1, 2015 · Hotel Holyday World, Benalmádena, 🇪🇸

Olah going in—

Heffron going in9-0-0

Confirmation✓ one source

MethodKO

Round1 of 6

Sources

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

✓