Pacquiao fight culminates long, hard road for resilient Marquez

LAS VEGAS -- Juan Manuel Marquez walked briskly down an empty hallway in the MGM Grand Garden Arena, the swishing sound of his mesh pants echoing against the walls. It was quiet today. On Saturday, when more than 16,000 fans are expected to file into the building for his WBO welterweight fight with Manny Pacquiao (HBO PPV, 9 p.m.), it won't be. He opens the door to a ballroom where a few dozen reporters are waiting. He answers questions about his weight. He answers questions about his training. …