The trip to
He said: "We talked about it at the beginning of the week and also at various points throughout the week (about) how important it is for the older players to step up and not only lift their own performances but also to demand it from the rest of the players in the side as well.
"I think it has been pretty evident on the training field already."
Schwarzer admitted he was livid in the immediate aftermath of the
"I won't go into any specifics about what was said because I think what was said in the change rooms has to stay in the change rooms, but obviously I wasn't happy and I made sure that everyone was aware of that, that I wasn't happy but also that they shouldn't be happy," he said.
However, Schwarzer is confident its preparation will stand them in good stead.
"It's always been a concern when you don't have a lot of time to prepare for the games," he said.
"This is completely the opposite. We are having a good week to really do a lot of football work on the football pitch.
"It's been a luxury that we've not had previously and I think, hopefully, it is going to work to our benefit."
The other game in the pool sees
It has mixed news on the selection front with strikers
Choi told the Yonhap news agency: "I expect them to come out attacking against us, and we're all too familiar with their style of play.
"We just have to capitalise on our strengths and be 100 per cent ready for this game.
"If we can win this game, it will make the rest of the qualifying process so much easier.
"If things go wrong, we could end up chasing other countries next year."
The visitor is likely to pair in-form Hamburg striker
Manchester City faces a possible reunion with former striker Mario Balotelli in Germany this northern summer.