Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2020 |  | Urh Moličnik | DF |  | NK Celje U19 | NK Celje U19 |
| 07/2020 | | Gal Grobelnik | FW | | NK Celje U19 | NK Celje U19 |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2020 | | Stian Džumhur | FW |  | NK Celje | NK Celje |
NK Šampion Celje
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/2020 | | Urh Moličnik | DF | | NK Celje U19 | NK Celje U19 |
| 07/2020 | | Gal Grobelnik | FW | | NK Celje U19 | NK Celje U19 |
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2020 | | Stian Džumhur | FW | | NK Celje | NK Celje |