8 rounds

Rosendo
Ramirez
VS
Billy
Costello

Costello · UD 8/8

Jul 18, 1981 · Imperial Palace, Paradise, 🇺🇸

Ramirez going in—

Costello going in16-0-0

Confirmation✓ one source

MethodUD

Round8 of 8

Sources

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

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