IBO super welterweight title · 12 rounds

Sergio
Martínez
VS
Richard
Williams

Martínez · UD 12/12

Jun 21, 2003 · MEN Arena, Manchester, 🇬🇧

Martínez going in28-1-1

Williams going in17-1-1

Confirmation✓✓ two sources

MethodUD

Round12 of 12

TitleIBO super welterweight title

Sources

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

✓

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

✓