6 rounds

Eduardo
Ayala
VS
Francisco
Sierra

Sierra · TKO 2/6

Nov 2, 2008 · La Feria de San Marcos, Aguascalientes, 🇲🇽

Ayala going in—

Sierra going in17-2-0

Confirmation✓ one source

MethodTKO

Round2 of 6 · 1:00

Sources

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

✓