Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 04/2014 |  | Luca Zander | DF |  | Werder Bremen II | Werder II |
| 01/2014 |  | Ludovic Obraniak | MF |  | Girondins de Bordeaux | Bordeaux |
| 11/2013 | | Torben Rehfeldt | DF | | Werder Bremen II | Werder II |
| 11/2013 | | Davie Selke | FW | | Werder Bremen II | Werder II |
| 10/2013 |  | Melvyn Lorenzen | FW | | Werder Bremen II | Werder II |
| 09/2013 | | Julian von Haacke | MF | | Werder Bremen II | Werder II |
| 09/2013 | | Martin Kobylański | FW | | Werder Bremen II | Werder II |
| 09/2013 |  | Santiago García | DF |  | Palermo FC | Palermo |
| 08/2013 | | Franco Di Santo | FW | |||
| 07/2013 |  | Luca Caldirola | DF |  | Brescia Calcio | Brescia |
| 07/2013 |  | Cédric Makiadi | MF |  | SC Freiburg | Freiburg |
| 07/2013 |  | Denni Avdić | FW |  | PEC Zwolle | PEC Zwolle |
| 07/2013 | | Robin Dutt | MA | |||
| 07/2013 |  | Damir Burić | AS-CO | |||
| 07/2013 | | Marco Langner | GK-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2014 | | Mateo Pavlović | DF |  | Ferencvárosi TC | Ferencváros |
| 01/2014 | | Tom Trybull | MF |  | FC St. Pauli | St. Pauli |
| 09/2013 |  | Joseph Akpala | FW |  | Karabükspor | Karabükspor |
| 09/2013 | | Florian Hartherz | DF |  | SC Paderborn 07 | Paderborn |
| 09/2013 |  | Marko Arnautović | FW |  | Stoke City | Stoke City |
| 09/2013 | | Johannes Wurtz | FW | | SC Paderborn 07 | Paderborn |
| 08/2013 | | Niclas Füllkrug | FW |  | SpVgg Greuther Fürth | Gr. Fürth |
| 08/2013 | | Denni Avdić | FW |  | AZ Alkmaar | AZ Alkmaar |
| 07/2013 | | Christian Vander | GK | | Werder Bremen II | Werder II |
| 07/2013 |  | Sokratis Papastathopoulos | DF |  | Borussia Dortmund | Dortmund |
| 07/2013 |  | Kevin De Bruyne | MF |  | Chelsea FC | Chelsea |
| 07/2013 | | Max Wegner | FW | | Werder Bremen II | Werder II |