Chinese referee Ma Ning hopes to “pass the torch” to the next generation of football officials in the country, and encouraged them to show the world what they are capable of. Ma became only the second official from the mainland to take charge of a game at the Fifa World Cup when he oversaw Curacao’s goalless draw with Ecuador this summer – and the first to serve at two different tournaments. While he does not know if he would want to stand at a third, he said he would gladly do so if his country...