10 rounds

Alberto
Alcaraz
VS
Roger
Mayweather

Mayweather · SD 10/10

May 11, 1991 · Memorial Coliseum, Portland, Oregon, 🇺🇸

Alcaraz going in—

Mayweather going in39-6-0

Confirmation✓ one source

MethodSD

Round10 of 10

Sources

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

✓