November 9, 2010 WEC 52: Erik Koch vs Francisco Rivera Edit Delete Tags Autopost Image: http://www.cdn.sherdog.com/_images/fighter/20091223024806_erickoch.JPG vs Image:...Source: http://www.mmaforum.com/wec-vbookie-betting/83860-wec-52-erik-koch-vs-francisco-rivera.htmlYoshihiro Akiyama Gilbert Aldana José Aldo John Alessio