10 rounds

Juventino
Barrera
VS
Francisco
Sierra

Sierra · KO 10/10

Updated Oct 11, 2026 · Sources: English Wikipedia

Jun 1, 2006 · Tepic, Nayarit, 🇲🇽

Barrera going in—

Sierra going in7-1-0

Confirmation✓ one source

MethodKO

Round10 of 10

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Francisco_Sierra_(boxer)

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