CHENNAI: Goals from Muhammad Khan and Afraz helped Pakistan eke out a 2-1 victory over China to stay in the race for the semifinals in the Asian Champions Trophy hockey tournament on Monday.However, the defeat meant that China were knocked out of contention for the last-four stage.The opening quarter happened to be a quiet one in terms of goal-scoring activities.Pakistan earned a couple of penalty corners but failed to convert them. It was followed by a field goal chance from both sides, but to no avail, as it...