4 rounds

Jose
Gonzalez
VS
Billy
Costello

Costello · KO 3/4

Sep 12, 1979 · Westchester County Center, White Plains, 🇺🇸

Gonzalez going in—

Costello going in1-0-0

Confirmation✓ one source

MethodKO

Round3 of 4

Sources

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

✓