Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 05/2021 |  | Sidney Raebiger | MF |  | RB Leipzig U17 | RB Leipzig U17 |
| 01/2021 |  | Dominik Szoboszlai | MF |  | RB Salzburg | RB Salzburg |
| 10/2020 | | Eric Martel | DF |  | RB Leipzig U19 | RB Leipzig U19 |
| 10/2020 |  | Justin Kluivert | FW |  | AS Roma | AS Roma |
| 09/2020 |  | Alexander Sørloth | FW |  | Crystal Palace | Cr. Palace |
| 09/2020 |  | Lazar Samardžić | MF |  | Hertha BSC | Hertha BSC |
| 08/2020 | | Xaver Zembrod | AS-CO |  | Bayer Leverkusen | Leverkusen |
| 08/2020 | | Joscha Wosz | MF | | RB Leipzig U19 | RB Leipzig U19 |
| 08/2020 |  | Josep Martínez | GK |  | UD Las Palmas | UD Las Palmas |
| 08/2020 | | Hugo Novoa | FW | | RB Leipzig U19 | RB Leipzig U19 |
| 07/2020 | | Dino Toppmöller | AS-CO | |||
| 07/2020 | | Benjamin Henrichs | DF |  | AS Monaco | AS Monaco |
| 07/2020 |  | Hee-chan Hwang | FW | | RB Salzburg | RB Salzburg |
| 07/2020 | | Malik Talabidi | DF | | RB Leipzig U19 | RB Leipzig U19 |
| 07/2020 |  | Mads Bidstrup | MF | | RB Leipzig U19 | RB Leipzig U19 |
| 07/2020 |  | Jean-Kévin Augustin | FW |  | Leeds United | Leeds Utd |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 02/2021 | | Tim Schreiber | GK |  | Hallescher FC | Hallescher FC |
| 01/2021 | | Dennis Borkowski | FW |  | 1. FC Nuremberg | Nuremberg |
| 01/2021 | | Eric Martel | DF |  | Austria Wien | Austria Wien |
| 10/2020 | | Jean-Kévin Augustin | FW |  | FC Nantes | FC Nantes |
| 09/2020 |  | Ademola Lookman | FW |  | Fulham FC | Fulham |
| 08/2020 |  | Yvon Mvogo | GK |  | PSV Eindhoven | PSV Eindhoven |
| 08/2020 | | Malik Talabidi | DF |  | FC Wil 1900 | FC Wil |
| 08/2020 |  | Patrik Schick | FW | | AS Roma | AS Roma |
| 08/2020 | | Tom Krauß | MF | | 1. FC Nuremberg | Nuremberg |
| 08/2020 | | Mads Bidstrup | MF |  | Brentford FC U21 | Brentford FC U21 |
| 07/2020 | | Robert Klauß | AS-CO | | 1. FC Nuremberg | Nuremberg |
| 07/2020 |  | Hannes Wolf | FW |  | Bor. Mönchengladbach | M'gladbach |
| 07/2020 | | Frederik Jäkel | DF |  | KV Oostende | KV Oostende |
| 07/2020 |  | Ethan Ampadu | DF |  | Chelsea FC | Chelsea |
| 07/2020 | | Timo Werner | FW | | Chelsea FC | Chelsea |