10 rounds

Billy
Backus
VS
Rocky
Mattioli

Mattioli · KO 5/10

Apr 11, 1975 · Festival Hall, Melbourne, 🇦🇺

Backus going in39-19-4

Mattioli going in33-3-1

Confirmation✓✓ two sources

MethodKO

Round5 of 10

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Rocky_Mattioli

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English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/Billy_Backus

✓