6 rounds

Joe
Allen
VS
Jack
Blackburn

Blackburn · KO 1/6

Apr 22, 1905 · Manayunk A.C., Philadelphia, 🇺🇸

Allen going in—

Blackburn going in40-2-10

Confirmation✓ one source

MethodKO

Round1 of 6

Sources

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

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