NBA and The Ring flyweight titles · 15 rounds

Leo
Espinosa
VS
Yoshio
Shirai

Shirai · SD 15/15

May 24, 1954 · Korakuen Baseball Stadium, 🇯🇵

Espinosa going in—

Shirai going in46-6-3

Confirmation✓ one source

MethodSD

Round15 of 15

TitleNBA and The Ring flyweight titles

Sources

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

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/白井義男

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