(From Left to Right) Heavyweight Contender Chris Arreola, former world champion Rafael Marquez, California prospect Efrain Esquivias and heavyweight contender Seth Mitchell pose on September 4, 2013 in Los Angeles, California at the final press conference for their September 7, 2013 fights where Arreola will face Mitchell for the WBC Silver Heavyweight Title and Marquez will face Equivias at Fantasy Springs Resort Casino in Indio, California which both fights will be televised live on SHOWTIME ®. Photos by Gene Blevins/Hoganphotos.