6 rounds

Lionel
Butler
VS
Vyacheslav
Yakovlev

Butler · MD 6/6

Updated Oct 11, 2026 · Sources: English Wikipedia

Apr 12, 1990 · Korakuen Hall, Tokyo

Butler going in4-7-0

Yakovlev going in—

Confirmation✓ one source

MethodMD

Round6 of 6

Sources

English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/Lionel_Butler

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