10 rounds

Mike
Bryan
VS
Francisco
Sierra

Sierra · KO 1/10

Updated Oct 11, 2026 · Sources: English Wikipedia

Apr 27, 2007 · Puerto Vallarta, Jalisco, 🇲🇽

Bryan going in—

Sierra going in11-2-0

Confirmation✓ one source

MethodKO

Round1 of 10

Sources

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

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