10 rounds

Jamie
Thomas
VS
J.
B. Williamson

Williamson · UD 10/10

Jun 14, 1980 · Riverfront Coliseum, Cincinnati

Thomas going in—

Williamson going in6-0-0

Confirmation✓ one source

MethodUD

Round10 of 10

Sources

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

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