The pain was so great, LeBron James said, that his body practically shut down on him.He could hardly stand, certainly couldn't run. Good thing all he needed to do was shoot.A limping, grimacing James shook off the pain of left leg cramps to hit a tiebreaking 3-pointer with 2:51 remaining and the Miami Heat held off the Oklahoma City Thunder for a 104-98 victory Tuesday night and a 3-1 lead in the NBA Finals that no team has ever blown. Source: ESPN