Hamburg chairman Dietmar Beiersdorfer has ruled out the sale of Rafael van der Vaart this summer.
Germany international Philipp Wollscheid insists he does not want to be loaned out this summer.
Hamburg have signed Germany international Nicolai Muller after convincing Bundesliga rivals Mainz to sell.
Rafael van der Vaart has rubbished reports suggesting he has been contacted by Queens Park Rangers.
Napoli have confirmed their interest in signing Manchester United midfielder Marouane Fellaini.
Mainz's general manager Christian Heidel says forward Nicolai Muller will not be leaving unless their demands are met.
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