4 rounds

Ruben
Macklis
VS
Jeff
Mayweather

Mayweather · PTS 4/4

Jun 17, 1988 · Showboat Hotel and Casino, Las Vegas, 🇺🇸

Macklis going in—

Mayweather going in1-0-0

Confirmation✓ one source

MethodPTS

Round4 of 4

Sources

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

✓