HOUSTON, July 4 : A change in system has thrust Morocco midfielder Azzedine Ounahi into a new role higher up the pitch and led to his two goals in Saturday’s 3-0 World Cup round-of-16 victory over Canada, said coach Mohamed Ouahbi.Morocco were comprehensive winners after struggling to break down Canada in the first half, with Ounahi bagging their first two goals in an outstanding display of finishing."We have changed our system, so he now plays further up the pitch," Ouahbi told reporters. "He has to play more in the final third. He is a very valuable player and able to break through the opponent's press with his runs and breaking through the lines." Canada created more opportunities in the first half, with their coach Jesse Marsch describing his side as being in "total control". But Moroc