10 rounds

Roy
Jones Sr.
VS
Marvelous
Marvin Hagler

Hagler · TKO 3/10

Jun 10, 1977 · Civic Center, Hartford, Connecticut, 🇺🇸

Sr. going in—

Hagler going in32-2-1

Confirmation✓ one source

MethodTKO

Round3 of 10 · 2:10

Sources

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

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