Hamburg director of sport Dietmar Beiersdorfer says the Bundesliga strugglers want to appoint Thomas Tuchel as their head coach.
Rafael van der Vaart and Marcell Jansen have been informed they do not have a future with Hamburg.
Sebastian Langkamp grabbed a last-gasp winner for Hertha Berlin as they piled the pressure on Hamburg with a 1-0 win.
Augsburg's hopes of playing in Europe next season suffered a setback as they were beaten 2-0 at home by Mainz.
Hoffenheim narrowed the gap on the top six in the Bundesliga by claiming a 3-0 win over 10-man Hamburg.
Struggling Hamburg frustrated Borussia Dortmund throughout a goalless draw at the Volksparkstadion.
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