For WBO mini-flyweight title · 12 rounds

Iván
Calderón
VS
Roberto
Carlos Leyva

Calderón · UD 12/12

Jul 31, 2004 · MGM Grand Garden Arena, Paradise, 🇺🇸

Calderón going in5-0-0

Leyva going in23-3-1

Confirmation✓ one source

MethodUD

Round12 of 12

TitleFor WBO mini-flyweight title

Sources

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

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