10 rounds

George
Groves
VS
Francisco
Sierra

Groves · TKO 6/10

Jul 28, 2012 · HP Pavilion, San Jose, California, 🇺🇸

Groves going in14-0-0

Sierra going in25-5-1

Confirmation✓✓ two sources

MethodTKO

Round6 of 10 · 2:15

Sources

English Wikipedia
side a · observed 2026-10-11
en.wikipedia.org/wiki/George_Groves_(boxer)

✓

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Francisco_Sierra_(boxer)

✓