Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 12/2025 |  | Jason Nemo Jr. | GK | |||
| 11/2025 | | Omar González | AS-CO |  | Chicago Fire | Chicago Fire |
| 09/2025 | | David Poręba | MF | | Chicago Fire | Chicago Fire |
| 08/2025 | | Robert Turdean | MF | | Chicago Fire | Chicago Fire |
| 08/2025 |  | Damian Nigg | FW |  | Grasshopper Club Zürich II | GC Zürich II |
| 08/2025 | | Owen Pratt | GK |  | Ventura County FC | Ventura County FC |
| 07/2025 | | Oscar Pineda | MF | |||
| 07/2025 |  | Mario Bárcena | AS-CO |  | Chicago Fire Academy | Chicago Fire Academy |
| 05/2025 | | Bryan Dowd | GK | | Chicago Fire | Chicago Fire |
| 05/2025 |  | Geni Kanyane | DF | |||
| 03/2025 | | Brody Williams | MF | | Chicago Fire | Chicago Fire |
| 03/2025 |  | Jhoiner Montiel | FW | | Chicago Fire Academy | Chicago Fire Academy |
| 03/2025 | | Darris Hyte | FW |  | Chicago Fire U17 | U17 |
| 02/2025 | | Richard Fleming | MF |  | Wisconsin Badgers | Wisconsin Badgers |
| 02/2025 |  | Claudio Cassano | MF |  | AS Cittadella | Cittadella |
| 01/2025 |  | Oluwaseun Oyegunle | DF | |||
| 01/2025 | | Samuel Williams | MF | |||
| 01/2025 | | David Molenda | GK |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2025 | | Claudio Cassano | MF |  | FC Lugano | FC Lugano |
| 08/2025 |  | Diego Konincks | DF |  | Valour FC | Valour FC |
| 02/2025 |  | Romain Blake | DF |  | FC West Armenia | FC West Armenia |
| 02/2025 | | Luka Prpa | MF |  | FC Naples | FC Naples |