Ronny Deila 's side have conceded nine goals in four Europa League games .
Ronny Deila 's side sit bottom of Group A following back - to - back defeats by Norwegian club Molde , including a reverse at Celtic Park last week .
Ronny Deila 's side have conceded nine goals in four Europa League games and sit bottom of Group A following back - to - back defeats by Norwegian club Molde , including a reverse at Celtic Park last week .