6 rounds

Roberto
Valenzuela
VS
Karim
Mayfield

Mayfield · TKO 2/6

May 16, 2009 · Oracle Arena, Oakland, 🇺🇸

Valenzuela going in—

Mayfield going in8-0-1

Confirmation✓ one source

MethodTKO

Round2 of 6

Sources

Wikipedia (pl)
side b · observed 2026-10-12
pl.wikipedia.org/wiki/Karim_Mayfield

✓