10 rounds

Edmundo
Esparza
VS
Chucho
Castillo

Castillo · TKO 2/10

Jun 15, 1965 · Plaza de Toros, Ciudad Juárez, 🇲🇽

Esparza going in—

Castillo going in17-3-0

Confirmation✓ one source

MethodTKO

Round2 of 10

Sources

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

✓