Ryan Burton catches up with former two division world champion Juan Manuel "Juanma" Lopez to discuss his upcoming showdown with undefeated super featherweight contender Francisco Vargas on Saturday night at MGM Grand in Las Vegas, as part of the Showtime Pay-Per-View undercard to the junior middleweight clash between Saul "Canelo" Alvarez and WBA 'regular' champion Erislandy Lara.