4 rounds

Rey
Karlos Lopez
VS
Iván
Calderón

Calderón · UD 4

May 3, 2002 · THE ORLEANS HOTEL & CASINO, LAS VEGAS, 🇺🇸

Lopez going in—

Calderón going in1-0-0

Confirmationofficial ★

MethodUD

Roundscheduled 4

Event

DateMay 3, 2002

VenueTHE ORLEANS HOTEL & CASINO

CityLAS VEGAS

Country🇺🇸 United States

PromoterTop Rank Inc.

Nevada State Athletic Commission — Results
side neutral · observed 2026-10-12
boxing.nv.gov/uploadedFiles/boxingnvgov/content/results/2...

✓