6 rounds

Jack
Abbott
VS
Frank
Klaus

Klaus · TKO 5/6

Dec 15, 1910 · Palisades Rink, McKeesport, 🇺🇸

Abbott going in—

Klaus going in45-11-10

Confirmation✓ one source

MethodTKO

Round5 of 6

Sources

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

✓