10 rounds

Walter
Sims
VS
Roger
Mayweather

Mayweather · UD 10/10

Jan 15, 1986 · Sahara Hotel and Casino, Winchester, 🇺🇸

Sims going in—

Mayweather going in22-3-0

Confirmation✓ one source

MethodUD

Round10 of 10

Sources

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

✓