8 rounds

Rigoberto
Casillas
VS
McWilliams
Arroyo

Arroyo · TKO 7/8

May 6, 2011 · Coliseo Pedrin Zorrilla, San Juan, 🇵🇷

Casillas going in—

Arroyo going in7-1-0

Confirmation✓ one source

MethodTKO

Round7 of 8 · 1:52

Sources

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

✓