10 rounds

Crawford
Grimsley
VS
Jimmy
Thunder

Thunder · KO 1/10

Mar 18, 1997 · IMA Sports Arena, Flint, 🇺🇸

Grimsley going in0-1-0

Thunder going in31-7-0

Confirmation✓ one source

MethodKO

Round1 of 10 · 0:13

NotesRecord knockout on first punch recorded in 1.5 seconds

Sources

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

✓