Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2012 |  | Daniel Schaal | MF |  | Fortuna Köln U19 | Fortuna Köln U19 |
| 07/2012 | | Tim Bund | GK |  | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Jonas Reichenbach | GK | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Sebastian Führ | DF | |||
| 07/2012 | | Daniel Lingen | DF | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 |  | Christos Tziodouris | DF |  | Viktoria Köln U19 | Viktoria Köln U19 |
| 07/2012 | | Luca Weßling | DF | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Markus Wipperfürth | DF | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 |  | Enes Altinok | MF | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Calar Bahadori | MF | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Yannik Becker | MF | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Enrico Dresen | MF | |||
| 07/2012 |  | Amer Kadrić | MF | |||
| 07/2012 | | Eyüp Koçoğlu | MF | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Ymer Smajli | MF | |||
| 07/2012 | | Maywand Akbar | FW | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Mert Korkmaz | FW | | Bonner SC U17 | Bonner SC U17 |
| 07/2012 | | Trésor Mpindi | FW |  | Euskirchener TSC U19 | U19 |
| 07/2012 | | Marcel Schmitz | FW | | Bonner SC U17 | Bonner SC U17 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2013 | | Eyüp Koçoğlu | MF |  | Borussia Dortmund U19 | Dortmund U19 |
| 07/2012 | | Alexander Monath | GK |  | Fortuna Köln | Fortuna Köln |
| 07/2012 | | Halil Kabak | MF |  | SV Roßbach | SV Roßbach |
| 07/2012 | | Nurullah Kayirtar | MF |  | Hilal Maroc Bergheim | Hilal Maroc Bergheim |
| 07/2012 | | Philipp Klug | MF |  | FC Hennef 05 | FC Hennef 05 |
| 07/2012 | | Fabian Nentwig | MF | | FC Hennef 05 | FC Hennef 05 |
| 07/2012 | | Lukas Plener | MF |  | Blau-Weiß Friesdorf | Blau-Weiß Fries |
| 07/2012 | | Daniel Schaal | MF | | Fortuna Köln U19 | Fortuna Köln U19 |
| 07/2012 | | Behdad Afshar | FW | | Fortuna Köln U19 | Fortuna Köln U19 |
| 07/2012 | | Sinan Bakış | FW |  | Bayer Leverkusen U19 | Leverkusen U19 |
| 07/2012 | | Björn Krämer | FW |  | Bonner SC | Bonner SC |
| 07/2012 |  | Nozomu Nonaka | FW |  | SC Brühl 06/45 | SC Brühl |
| 07/2012 | | Erdoğan Yeşilyurt | FW |  | Arminia Bielefeld | Bielefeld |
| 07/2012 | | Marcel Abanoz | MA |  | 1. FC Köln | Köln |