12 rounds

Oscar
León
VS
Derrick
Gainer

Gainer · SD 12/12

Apr 12, 2003 · MGM GRAND GARDEN ARENA, LAS VEGAS, 🇺🇸

León going in—

Gainer going in8-5-1

Confirmationofficial ★

MethodSD

Round12 of 12

NotesSD

Event

DateApr 12, 2003

VenueMGM GRAND GARDEN ARENA

CityLAS VEGAS

Country🇺🇸 United States

PromoterForum Boxing & Don King Productions

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

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