Juan Manuel Márquez cools out of a fifth fight against Mexican fighter Manny Fernandez . I 'm Márquez knocked legendary opponent out during their most recent fight in Las Vegas . The fighter he promised his wife he would not fight again after facing Pacquiao .
Juan Manuel Márquez cools out of a fifth fight against Mexican fighter Manny Fernandez . Márquez knocked legendary opponent out during their most recent fight in Las Vegas . The fighter he promised his wife he would not fight again after facing Pacquiao .