Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2027 |  | Mads Agger | FW |  | BK Häcken | BK Häcken |
| 09/2026 |  | Hubert Renka | GK |  | Pogoń Szczecin II | Pogoń Szczecin II |
| 09/2026 |  | Isaiah Eichie | DF | |||
| 09/2026 | | Maciej Dąbrowski | GK |  | FC Košice | FC Košice |
| 09/2026 |  | Alessandro Riccio | DF |  | Sampdoria | Sampdoria |
| 09/2026 |  | Jordi Sánchez | FW |  | Wisła Kraków | Wisła Kraków |
| 08/2026 | | Antoni Fojut | GK | | Pogoń Szczecin II | Pogoń Szczecin II |
| 07/2026 |  | Darko Churlinov | FW |  | Kocaelispor | Kocaelispor |
| 07/2026 |  | Attila Szalai | DF |  | TSG Hoffenheim | Hoffenheim |
| 07/2026 |  | Nikolaos Botis | GK |  | Olympiacos FC | Olympiacos FC |
| 07/2026 | | Andrzej Ossowski | DF | | Pogoń Szczecin II | Pogoń Szczecin II |
| 07/2026 |  | Lukas Willen | DF |  | SV Zulte Waregem | Zulte Waregem |
| 07/2026 | | Jakub Zawadzki | DF |  | Świt Szczecin | Świt Szczecin |
| 07/2026 | | Patryk Dziczek | MF |  | Piast Gliwice | Gliwice |
| 07/2026 | | Maciej Wojciechowski | MF |  | ŁKS Łódź | ŁKS Łódź |
| 07/2026 |  | Jean-Pierre Nsame | FW |  | Legia Warszawa | Legia |
| 07/2026 | | Patryk Paryzek | FW |  | Górnik Łęczna | Górnik Łęczna |
| 07/2026 | | Óscar García | MA | |||
| 07/2026 | | Joaquín Gómez | AS-CO | |||
| 07/2026 | | Enrique Sanz | PH-C |  | AFC Ajax | Ajax |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 | | Igor Brzyski | MF |  | Sigma Olomouc | Olomouc |
| 09/2026 |  | Léo Borges | DF | | Sigma Olomouc | Olomouc |
| 09/2026 |  | Fredrik Ulvestad | MF |  | Odense BK | Odense |
| 08/2026 | | Mads Agger | FW | | BK Häcken | BK Häcken |
| 08/2026 | | Karol Angielski | FW |  | Nea Salamina | Nea Salamina |
| 08/2026 | | Axel Holewiński | GK |  | Lechia Gdańsk | Lechia Gdańsk |
| 08/2026 |  | Danijel Lončar | DF |  | Persib Bandung | Persib Bandung |
| 07/2026 | | Krzysztof Kamiński | GK |  | Pogoń Grodzisk Mazowiecki | Pogoń GM |
| 07/2026 | | Kuba Bochniarz | GK |  | Resovia Rzeszów | Resovia Rzeszów |
| 07/2026 | | Leonardo Koutris | DF |  | NK Celje | NK Celje |
| 07/2026 | | Attila Szalai | DF | | TSG Hoffenheim | Hoffenheim |
| 07/2026 |  | Sam Greenwood | MF |  | Bristol City | Bristol C. |
| 07/2026 | | Kacper Smoliński | MF |  | Podbeskidzie Bielsko-Biała | Bielsko-Biała |
| 07/2026 | | Przemysław Franczak | AT-C |  | Jagiellonia Białystok | Jagiellonia |