Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2020 |  | Smail Prevljak | FW |  | RB Salzburg | RB Salzburg |
| 01/2020 |  | Isaac Nuhu | MF | |||
| 01/2020 | | Emmanuel Sowah | DF |  | RSC Anderlecht | Anderlecht |
| 01/2020 |  | Knowledge Musona | FW | | RSC Anderlecht | Anderlecht |
| 09/2019 |  | Tyreek Magee | MF |  | Harbour View | Harbour View |
| 09/2019 |  | Olivier Verdon | DF |  | CD Alavés | Alavés |
| 09/2019 |  | Jonathan Bolingi | FW |  | Royal Antwerp FC | Antwerpen |
| 09/2019 |  | Adalberto Peñaranda | FW |  | Watford FC | Watford |
| 09/2019 |  | Omid Ebrahimi | MF |  | Al Ahli Doha | Al Ahli Doha |
| 08/2019 | | Saeid Ezatolahi | MF | |||
| 08/2019 |  | Pierre Akono | MF |  | Eding Sport | Eding Sport |
| 08/2019 |  | Jordi Amat | DF |  | Rayo Vallecano | Rayo |
| 07/2019 |  | Adrián Lapeña | DF |  | Real Sociedad B | Real Sociedad B |
| 07/2019 |  | Leonardo Rocha | FW |  | Lommel SK | Lommel |
| 07/2019 |  | Carlos Embalo | FW |  | Palermo FC | Palermo |
| 07/2019 |  | Ortwin De Wolf | GK |  | Sporting Lokeren | KSC Lokeren |
| 07/2019 | | Romain Matthys | GK |  | RFC Liège | RFC Liège |
| 07/2019 | | Jens Cools | MF |  | Pafos FC | Pafos FC |
| 07/2019 | | Jon Bautista | FW |  | Real Sociedad | Real Sociedad |
| 07/2019 |  | Andreas Beck | DF | |||
| 07/2019 |  | Menno Koch | DF |  | NAC Breda | NAC Breda |
| 07/2019 | | Gary Magnée | DF |  | KAS Eupen II | KAS Eupen II |
| 07/2019 |  | Flavio Ciampichetti | FW |  | Macará | Macará |
| 07/2019 | | Beñat San José | MA |  | Al Nasr SC | Al Nasr SC |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2020 | | Adalberto Peñaranda | FW | | Watford FC | Watford |
| 01/2020 | | Adrián Lapeña | DF |  | CD Castellón | CD Castellón |
| 01/2020 |  | Yuta Toyokawa | MF |  | Cerezo Osaka | Cerezo |
| 08/2019 |  | Babacar Niasse | GK |  | CD Tondela | CD Tondela |
| 08/2019 |  | Souleymane Aw | DF |  | AS Béziers | Béziers |
| 08/2019 | | Hendrik Van Crombrugge | GK | | RSC Anderlecht | Anderlecht |
| 07/2019 | | Eric Ocansey | FW |  | KV Kortrijk | Kortrijk |
| 07/2019 | | Rocky Bushiri | DF |  | KV Oostende | KV Oostende |
| 07/2019 |  | Cheick Keita | DF |  | Birmingham City | Birmingham |
| 07/2019 |  | Carlos Martínez | DF |  | Guadalupe | Guadalupe |
| 07/2019 | | Alessio Castro-Montes | MF |  | KAA Gent | Gent |
| 07/2019 | | Diawandou Diagné | MF |  | Odisha FC | Odisha FC |
| 07/2019 |  | Youssef Msakni | MF |  | Al Duhail SC | Al Duhail |
| 07/2019 | | Rémi Mulumba | MF |  | LB Châteauroux | Châteauroux |
| 07/2019 | | Moussa Diallo | FW |  | FC Rodange 91 | FC Rodange 91 |
| 07/2019 | | Samuel Essende | FW |  | Paris Saint-Germain B | Paris SG (CFA) |
| 07/2019 | | Mamadou Fall | FW |  | Sporting Charleroi | Charleroi SC |
| 07/2019 | | David Pollet | FW | | Sporting Charleroi | Charleroi SC |