"I was satisfied with the first half," he said.
"We had two or three good situations but I don't know what happened at half-time and it seems the players forgot to defend. It was for us a very big problem that our captain was injured and wasn't there in the second half.
"I don't know how difficult the injury to Brede Hangeland is and I hope he will come back and join us next week but we have to work on defending.
"I have seldom seen a goal like the first today. Schurrle takes the ball form near his own goal and runs the whole field and no-one tackles him. He can run 90 metres and score with no contact."
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