Ze Roberto, who previously played for Bayer Leverkusen and Real Madrid, signed for Bruno Labbadia's team this month after rejecting to extend his contract with Bayern.

"It was kind of stupid from Bayern to let Ze Roberto leave the club, but of course I'm delighted that he has joined us at Hamburg," the Germany man told Bild.

Prior to joining Hamburg, Trochowski earlier played for Bayern between 2002 and 2005.