6 rounds

George
Gunther
VS
Jack
Blackburn

Blackburn · KO 5/6

Dec 6, 1907 · Industrial Hall, Philadelphia, 🇺🇸

Gunther going in—

Blackburn going in71-6-16

Confirmation✓ one source

MethodKO

Round5 of 6

Sources

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

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