Las Vegas, Nevada   ---  Two-division world champion Rafael Marquez of Mexico City, Mexico and WBO featherweight champion Juan Manuel Lopez of Puerto Rico go face to face at the final press conference at the MGM Grand Hotel for their upcoming fight on Saturday night.  Promoted by Top Rank, in association with PR Best Boxing, Zanfer Promotions, Gary Shaw Productions and SHOWTIME, Lopez vs Marquez will take place Saturday, November 6 at the MGM Grand Garden Arena in Las Vegas and will be televised live on SHOWTIME Championship Boxing.  - Photo Credit : Joel Colon/PRBBP