For Commonwealth heavyweight title · 12 rounds

Derek
Williams
VS
Jimmy
Thunder

Williams · TKO 2/12

May 1, 1991 · York Hall, London, 🇬🇧

Williams going in0-0-0

Thunder going in10-1-0

Confirmation✓ one source

MethodTKO

Round2 of 12

TitleFor Commonwealth heavyweight title

Sources

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

✓