Ryan Burton catches the final press conference to the Manny Pacquiao-Juan Manuel Marquez undercard. The event takes place on Saturday night at the MGM Grand in Las Vegas. Hear from 50 Cent, Yuriorkis Gamboa, Mercito Gesta, Miguel Vazquez, Top Rank's Bob Arum, Oscar Valdez, Felix Verdejo, Jose Ramirez and more.
,/center>