12 rounds

Marvin
Hart
VS
Jack
Twin Sullivan

Hart · DQ 5/12

Updated Oct 11, 2026 · Sources: English Wikipedia

Oct 20, 1908 · Armory, Boston, 🇺🇸

Hart going in28-6-5

Sullivan going in1-6-5

Confirmation✓ one source

MethodDQ

Round5 of 12

Sources

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

✓