Borussia Dortmund chief Watzke cannot guarantee keeping Real Madrid target Gundogan
"We are talking to Gundogan's family, who act as his advisors," he told SZ.
"Obviously, we want to keep Ilkay but there is no agreement so far. At the end of the day, only he can decide whether he wants to continue his development with us.
"He knows, though, that we expect a decision from him soon."
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