Mexico City ,Mexico ---  "FAN FRENZY" ---  Superstars Manny Pacquiao and Juan Manuel Marquez get mobbed during their public press conference in Mexico City, where a reported 30,000 plus fans mobbed the boxers as they announced their trilogy fight.  Promoted by Top Rank, in association with MP Promotions,Marquez Boxing,Tecate and MGM Grand, Pacquiao vs Marquez III will take place, Saturday, Nov. 12 at the MGM Grand in Las Vegas and be produced and distributed by HBO Pay Per View. Photos by Chris Farina/Top Rank