Hamburg attacking midfielder Piotr Trochowski – who joined the club from Bayern Munich in 2004 – is not happy with his situation at the club and wants to leave, according to a report in Bild.

Borussia Dortmund are reportedly closely monitoring Trochowski and could make a move for the midfielder this summer.

Things have not gone well for the German international this season as he lost his spot in the starting XI.

His current contract is due to expire in the summer of 2011, but the report suggests that the Rothosen are keen to cash in on Trochowski this summer in order to prevent him from leaving on a Bosman move next year.