It began in August with a 25,000-mile international media tour and now, after two solid months of intense training, Manny “Pacman” Pacquiao and Juan Manuel Márquez will break camp and head to Las Vegas to kickoff fight week for their mega world championship event with their Las Vegas Grand Arrivals, which will be open to the public. Márquez, with Hall of Fame trainer Ignacio “Nacho” Beristáin and Hall of Fame promoter Bob Arum arrives TODAY. Pacquiao, five-time Trainer of the Year Freddie Roach and Arum arrive Tuesday. Both arrivals will be at Noon PT at the porte cochere and inside the front lobby of the MGM Grand. They will be transported by luxury buses custom-designed with their images.