Celtic: “We didn’t yield our football” in thrilling Europa League triumph over AZ Alkmaar says Ange Postecoglou

Celtic manager Ange Postecoglou was left in awe of the reserves of energy his team unearthed to drag themselves through a pulsating and punishing examination in order to come away with a 2-0 first leg lead in their frenetic home Europa League play-off against AZ Alkmaar...