Edmund Addo sank into child’s pose in the middle of the field, his forehead touching the turf, his arms outstretched in front of him, a gesture of supplication and thanks. About 60 yards away, euphoria had overwhelmed his teammate Giorgos Athanasiadis, his legs buckling as two colleagues tried to help him to stand. Their coach, Yuriy Vernydub, danced on the touchline.