Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 11.01.2024 | K. Vogt | 1899 Hoffenheim | Union Berlin | N/A |
| 01.09.2023 | L. Bonucci | Juventus | Union Berlin | Free |
| 17.08.2023 | K. Volland | Monaco | Union Berlin | € 4M |
| 15.08.2023 | R. Gosens | Inter | Union Berlin | N/A |
| 27.07.2023 | B. Hollerbach | — | Union Berlin | N/A |
| 26.07.2023 | A. Schwolow | Hertha BSC | Union Berlin | Free |
| 19.07.2023 | L. Tousart | Hertha BSC | Union Berlin | € 3M |
| 11.07.2023 | D. Fofana | Chelsea | Union Berlin | Loan |
| 09.07.2023 | B. Aaronson | Leeds | Union Berlin | Loan |
| 01.07.2023 | L. Dehl | — | Union Berlin | N/A |
| 01.07.2023 | Diogo Leite | FC Porto | Union Berlin | € 7.5M |
| 01.07.2023 | L. Grill | Bayer Leverkusen | Union Berlin | N/A |
| 01.07.2023 | A. Král | — | Union Berlin | Loan |
| 01.07.2023 | T. Skarke | FC Schalke 04 | Union Berlin | N/A |
| 01.07.2023 | D. Heintz | VfL Bochum | Union Berlin | N/A |
| 01.07.2023 | M. Kaufmann | FC Copenhagen | Union Berlin | € 2.7M |
| 27.01.2023 | A. Laïdouni | Ferencvarosi TC | Union Berlin | € 4.1M |
| 22.01.2023 | J. Juranović | Celtic | Union Berlin | € 8.6M |
| 12.01.2023 | J. Roussillon | VfL Wolfsburg | Union Berlin | N/A |
| 01.12.2022 | L. Dehl | — | Union Berlin | N/A |
| 19.07.2022 | M. Thorsby | Sampdoria | Union Berlin | € 3M |
| 16.07.2022 | Diogo Leite | FC Porto | Union Berlin | Loan |
| 01.07.2022 | J. Haberer | SC Freiburg | Union Berlin | Free |
| 01.07.2022 | P. Wszołek | Legia Warszawa | Union Berlin | N/A |
| 01.07.2022 | L. Grill | Bayer Leverkusen | Union Berlin | Loan |
| 01.07.2022 | D. Doekhi | — | Union Berlin | Free |
| 01.07.2022 | T. Skarke | SV Darmstadt 98 | Union Berlin | Free |
| 01.07.2022 | J. Leweling | — | Union Berlin | € 4M |
| 01.07.2022 | T. Puchacz | Trabzonspor | Union Berlin | N/A |
| 01.07.2022 | P. Seguin | — | Union Berlin | Free |
| 01.07.2022 | T. Maciejewski | — | Union Berlin | N/A |
| 01.07.2022 | J. Siebatcheu | BSC Young Boys | Union Berlin | € 6M |
| 01.07.2022 | M. Pantović | VfL Bochum | Union Berlin | Free |
| 01.07.2022 | F. Schneider | KuPS | Union Berlin | N/A |
| 31.01.2022 | S. Michel | — | Union Berlin | € 2.5M |
| 20.01.2022 | A. Schäfer | — | Union Berlin | N/A |
| 01.01.2022 | D. Heintz | SC Freiburg | Union Berlin | € 150K |
| 29.09.2021 | Y. Stein | — | Union Berlin | N/A |
| 30.08.2021 | K. Möhwald | Werder Bremen | Union Berlin | N/A |
| 30.08.2021 | B. Oczipka | FC Schalke 04 | Union Berlin | Free |
| 30.07.2021 | F. Rønnow | Eintracht Frankfurt | Union Berlin | N/A |
| 20.07.2021 | T. Awoniyi | Liverpool | Union Berlin | 6.5M |
| 01.07.2021 | T. Puchacz | Lech Poznan | Union Berlin | € 3.5M |
| 01.07.2021 | J. Kade | — | Union Berlin | € 500K |
| 01.07.2021 | R. Khedira | FC Augsburg | Union Berlin | Free |
| 01.07.2021 | R. van Drongelen | Hamburger SV | Union Berlin | € 500K |
| 01.07.2021 | A. Voglsammer | — | Union Berlin | Free |
| 01.07.2021 | K. Behrens | — | Union Berlin | Free |
| 01.07.2021 | L. Öztunalı | FSV Mainz 05 | Union Berlin | Free |
| 01.07.2021 | P. Jaeckel | — | Union Berlin | Free |