(From Left to Right) IBF Bantamweight World Champion Leo Santa Cruz, 2012 U.S. Olympian Joseph Diaz Jr. and undefeated bantamweight contender Alberto Guevara pose on December 10, 2012 in Los Angeles, California during a media workout in preparation for their December 15, 2012 fights at the Los Angeles Memorial Sports Arena where Santa Cruz will defend his world title against Guevara and Diaz Jr. will make his professional debut against Vicente Alfaro, both of which will be televised live on CBS. Photos by Gene Blevins/Hoganphotos.