Answer
Hamburger SV acquired Marcell Jansen in 2008. Jansen, a German left-back, had previously played for Borussia Mönchengladbach and Bayern Munich. He joined Hamburger SV on a free transfer and became an integral part of the team's defense. Jansen made over 100 appearances for Hamburger SV and helped the club win the 2009 DFB-Pokal.