6 rounds

Harry
Lenny
VS
Jack
Blackburn

Blackburn · TKO 5/6

Jul 18, 1904 · National A.C., Philadelphia, 🇺🇸

Lenny going in—

Blackburn going in26-2-9

Confirmation✓ one source

MethodTKO

Round5 of 6

Sources

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

✓