Kostas Mitroglou first hit the crossbar with a firm header off a free kick cross , then again off his own rebound .
Midfielder Eduardo Salvio struck the post with his attempt in front of the goal .
Kostas Mitroglou first hit the crossbar with a firm header off a free kick cross , then again off his own rebound , and midfielder Eduardo Salvio struck the post with his attempt in front of the goal .