6 rounds

Adam
Grabiec
VS
Mark
Heffron

Heffron · TKO 4/6

May 19, 2018 · Elland Road, Leeds, 🇬🇧

Grabiec going in—

Heffron going in18-0-0

Confirmation✓ one source

MethodTKO

Round4 of 6 · 2:30

Sources

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

✓