Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2018 |  | Nicolas Glaus | GK |  | FC Basel 1893 U18 | U18 |
| 07/2018 | | Adrian Durrer | DF | | FC Basel 1893 U18 | U18 |
| 07/2018 | | Elmedin Fazlić | DF |  | FC Basel 1893 U16 | U16 |
| 07/2018 | | Edvin Grolimund | DF | | FC Basel 1893 U18 | U18 |
| 07/2018 | | Valentin Kaufmann | DF | | FC Basel 1893 U18 | U18 |
| 07/2018 |  | Gabriele Levante | DF | | FC Basel 1893 U18 | U18 |
| 07/2018 | | Aramis Rohner | DF | | FC Basel 1893 U18 | U18 |
| 07/2018 | | Orges Bunjaku | MF | | FC Basel 1893 U18 | U18 |
| 07/2018 | | Hugo Casano | MF |  | FC Basel 1893 II | FC Basel II |
| 07/2018 |  | Berat Karaca | MF | | FC Basel 1893 U18 | U18 |
| 07/2018 | | Jan Muzangu | MF | | FC Basel 1893 U18 | U18 |
| 07/2018 |  | Mihailo Stevanović | MF | | FC Basel 1893 U16 | U16 |
| 07/2018 | | Mehmet Manis | FW | | FC Basel 1893 U18 | U18 |
| 07/2018 | | Lirik Vishi | FW | | FC Basel 1893 U18 | U18 |
| 07/2018 | | Julian von Moos | FW |  | Grasshopper Club Zürich U18 | Grasshoppers U18 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2019 |  | Afimico Pululu | FW |  | Neuchâtel Xamax FCS | Xamax |
| 01/2019 | | Eren Kama | DF |  | BSC Old Boys | Old Boys |
| 07/2018 | | Landrit Ejupi | DF | | FC Basel 1893 II | FC Basel II |