'I think it's very difficult to combine the Europa League on Thursday night and then playing Sunday morning. You play in Moscow, you come home, you play again away from home.
'This game is a bit special. On top of that, I must say the attitude of our team was spot on from the start.
'But it didn't work and I have to be realistic enough to say that maybe our balance offensively and defensively doesn't work.'
'Of course it's a concern because traditionally we have a very strong record away from home.
'It has a subconscious weight in our minds. Once you're in a negative spiral like that, it's very difficult to get out.'