12 rounds

Grover
Robinson
VS
J.
B. Williamson

Williamson · UD 12/12

Apr 22, 1985 · The Forum, Inglewood

Robinson going in—

Williamson going in18-1-0

Confirmation✓ one source

MethodUD

Round12 of 12

Sources

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

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