According to Brendan Schaub he battled an addiction to Oxycontin after his bout against Mirko Cro Cop.

Mirko Cro Cop is back! But in K-1? Learn more about the Croat's return to the world of kickboxing.

At UFC 137, following a third round TKO to Roy Nelson, Mirko Filipovic ended his MMA career. "Cro Cop" spent a decade head kicking his way into fans' hearts.

When Brendan Schaub vs. Antonio Rodrigo Nogueira goes down tonight (Aug. 27, 2011) in Rio de Janeiro, Brazil, at UFC 134: "Silva vs. Okami," we will be watching evolution in motion.

Brendan Schaub vs Antonio Rodrigo Nogueira odds for UFC 134 fight on Aug. 27