10 rounds

Frankie
Otero
VS
Ken
Buchanan

Buchanan · UD 10/10

May 29, 1973 · Convention Center, Miami Beach

Otero going in—

Buchanan going in47-2-0

Confirmation✓ one source

MethodUD

Round10 of 10

Sources

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

✓