Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2010 |  | Robin Neupert | DF |  | TSG Hoffenheim II | Hoffenheim II |
| 02/2010 | | Denis Thomalla | FW |  | Karlsruher SC U19 | Karlsruhe U19 |
| 01/2010 | | Andreas Ludwig | MF | | TSG Hoffenheim II | Hoffenheim II |
| 01/2010 | | Adam Jabiri | FW | | TSG Hoffenheim II | Hoffenheim II |
| 08/2009 |  | Jukka Raitala | DF |  | HJK Helsinki | HJK |
| 07/2009 | | Jens Grahl | GK |  | SpVgg Greuther Fürth | Gr. Fürth |
| 07/2009 | | Christian Eichner | DF |  | Karlsruher SC | Karlsruhe |
| 07/2009 | | Manuel Gulde | DF | | TSG Hoffenheim II | Hoffenheim II |
| 07/2009 | | Philipp Klingmann | DF | | TSG Hoffenheim II | Hoffenheim II |
| 07/2009 |  | Josip Šimunić | DF |  | Hertha BSC | Hertha BSC |
| 07/2009 |  | Maicosuel | MF |  | Botafogo - RJ | Botafogo |
| 07/2009 |  | Franco Zuculini | MF |  | Racing Club | Racing Club |
| 07/2009 |  | Prince Tagoe | FW |  | Al Ettifaq | Al Ettifaq |
| 07/2009 |  | Zsolt Petry | GK-CO |  | SC Paderborn 07 | Paderborn |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2010 |  | Ramazan Özcan | GK |  | Beşiktaş | Beşiktaş |
| 08/2009 | | Wellington | FW |  | FC Twente | FC Twente |
| 07/2009 | | Daniel Bernhardt | GK |  | VfR Aalen | VfR Aalen |
| 07/2009 | | Christoph Janker | DF | | Hertha BSC | Hertha BSC |
| 07/2009 |  | Aytaç Sulu | DF | | VfR Aalen | VfR Aalen |
| 07/2009 | | Selim Teber | MF |  | Eintracht Frankfurt | E. Frankfurt |
| 07/2009 |  | Boubacar Sanogo | FW |  | Werder Bremen | Werder |
| 07/2009 | | Achim Sarstedt | AS-CO |  | VfL Wolfsburg | Wolfsburg |