10 rounds

Mark
Diaz
VS
Henry
Armstrong

Armstrong · KO 4/10

Jun 9, 1937 · Pasadena Arean, Pasadena

Diaz going in—

Armstrong going in62-13-7

Confirmation✓ one source

MethodKO

Round4 of 10 · 0:35

Sources

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

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