10 rounds

'California'
Joe Rivers
VS
Henry
Armstrong

Armstrong · TKO 4/10

Mar 2, 1937 · Olympic Auditorium, Los Angeles

Rivers going in—

Armstrong going in56-13-7

Confirmation✓ one source

MethodTKO

Round4 of 10 · 2:40

Sources

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

✓