10 rounds

Luis
Gustavo Sosa
VS
William
Irwin

Irwin · TKO 4/10

Apr 26, 2003 · Hamilton Place Theatre, Hamilton, 🇨🇦

Sosa going in—

Irwin going in39-5-0

Confirmation✓ one source

MethodTKO

Round4 of 10 · 0:50

Sources

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

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