10 rounds

Mac
Foster
VS
Thad
Spencer

Foster · KO 1/10

May 20, 1969 · Selland Arena, Fresno, California

Foster going in0-0-0

Spencer going in32-8-0

Confirmation✓ one source

MethodKO

Round1 of 10

Sources

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

✓