Anderson Silva, from Brazil, right, fights Stephan Bonnar, from the United States, during their light heavyweight mixed martial arts bout at UFC 153 in Rio de Janeiro, early Sunday, Oct. 14, 2012. Silva defeated Bonnar. (AP Photo/Felipe Dana)
UFC 153: Silva vs. Bonnar
•October 14, 2012
Pound-for-pound kingpin Anderson Silva maintained his perfect UFC record with a dominant win over Stephan Bonnar.