6 rounds

Tyrone
Phelps
VS
Floyd
Mayweather, Sr.

Phelps · TKO 2/6

May 22, 1975 · Steel Workers Union Hall, Baltimore, 🇺🇸

Phelps going in—

Sr. going in4-0-0

Confirmation✓ one source

MethodTKO

Round2 of 6 · 2:40

Sources

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

✓