World middleweight title claim · 20 rounds

Frank
Klaus
VS
Jack
Dillon

Klaus · PTS 20/20

Mar 23, 1912 · Coffroth's Arena, Daly City, 🇺🇸

Klaus going in60-12-12

Dillon going in65-3-11

Confirmation✓✓ two sources

MethodPTS

Round20 of 20

TitleWorld middleweight title claim

Sources

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

✓

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

✓