← Frank Klaus

FM

Frank Klaus

12 rounds

Frank
Mantell
VS
Frank
Klaus

Klaus · KO 9/12

Mar 29, 1910 · Armory A.A., Boston, 🇺🇸

Mantell going in—

Klaus going in42-9-10

Confirmation✓ one source

MethodKO

Round9 of 12

Sources

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

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