10 rounds

Lou
Bizzarro
VS
William
Irwin

Irwin · TKO 9/10

Jul 28, 2004 · Avalon Hotel, Erie, Pennsylvania, 🇺🇸

Bizzarro going in—

Irwin going in41-5-0

Confirmation✓ one source

MethodTKO

Round9 of 10 · 2:10

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Billy_Irwin_(boxer)

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