| Speler | Nieuwe club | Type | Bekend | Begin | Lengte | Eind | Bedrag | Opmerking |
|---|---|---|---|---|---|---|---|---|
| Diederik Boer | PEC Zwolle | Transfer | 02-06-2017 | 01-07-2017 | 2 | 30-06-2019 | ||
| Leeroy Owusu | Almere City | Huur start | 21-06-2017 | 01-07-2017 | 1 | 30-06-2018 | ||
| Daishawn Redan | Onbekend | Verlaat jeugdafdeling | 01-07-2017 | |||||
| Thulani Serero | Vitesse | Transfer | 14-06-2017 | 01-07-2017 | 3 | 30-06-2020 | ||
| Django Warmerdam | FC Groningen | Transfer | 01-05-2017 | 01-07-2017 | 3 | 30-06-2020 | ||
| Heiko Westermann | Austria Wien | Transfer | 03-07-2017 | 03-07-2017 | 2 | 30-06-2019 | ||
| Zakaria El Azzouzi | Excelsior | Huur start | 10-07-2017 | 10-07-2017 | 1 | 30-06-2018 | ||
| Kenny Tete | Olympique Lyon | Transfer | 10-07-2017 | 10-07-2017 | ||||
| Dragisa Gudelj | FC Wohlen | Transfer | 11-07-2017 | 11-07-2017 | ||||
| Jairo Riedewald | Crystal Palace | Transfer | 24-07-2017 | 24-07-2017 | ||||
| Markus Bay | Viborg FF | Transfer | 08-08-2017 | 08-08-2017 | ||||
| Davinson Sánchez | Tottenham Hotspur | Transfer | 18-08-2017 | 18-08-2017 | 40,000,000 | |||
| Indy Groothuizen | ADO Den Haag | Transfer | 31-08-2017 | 31-08-2017 | ||||
| Nathan Leyder | VW Hamme | Transfer | 31-08-2017 | 31-08-2017 | ||||
| Queensy Menig | FC Nantes | Transfer | 31-08-2017 | 31-08-2017 | ||||
| Robert Murić | SC Braga | Transfer | 31-08-2017 | 31-08-2017 | ||||
| Perr Schuurs | Fortuna Sittard | Huur start | 07-12-2017 | 01-01-2018 | 0.5 | 30-06-2018 | ||
| Mauro Savastano | Go Ahead Eagles | Huur start | 02-01-2018 | 02-01-2018 | 0.5 | 30-06-2018 | ||
| Damil Dankerlui | Willem II | Transfer | 09-01-2018 | 09-01-2018 | ||||
| Pascal Struijk | Leeds United | Transfer | 29-01-2018 | 29-01-2018 | ||||
| Deyovaisio Zeefuik | FC Groningen | Huur start | 31-01-2018 | 31-01-2018 | 0.5 | 30-06-2018 | ||
| Zian Flemming | PEC Zwolle | Transfer | 02-05-2018 | 02-05-2018 | 3 | 30-06-2021 | ||
| Justin Kluivert | AS Roma | Transfer | 22-06-2018 | 22-06-2018 |
| Speler | Vorige club | Type | Bekend | Begin | Lengte | Eind | Bedrag | Opmerking |
|---|---|---|---|---|---|---|---|---|
| Mitchell Dijks | Norwich City | Huur einde | 01-07-2017 | |||||
| Issam El Maach | Vitesse | Transfer | 29-06-2017 | 01-07-2017 | 2 | 30-06-2019 | ||
| Indy Groothuizen | FC Nordsjaelland | Huur einde | 01-07-2017 | |||||
| Klaas-Jan Huntelaar | Schalke '04 | Transfer | 01-06-2017 | 01-07-2017 | 1 | 30-06-2018 | ||
| Victor Jensen | FC Kopenhagen | Transfer | 02-06-2017 | 01-07-2017 | 3 | 30-06-2020 | ||
| Benjamin van Leer | Roda JC Kerkrade | Transfer | 30-06-2017 | 01-07-2017 | 4 | 30-06-2021 | ||
| Queensy Menig | PEC Zwolle | Huur einde | 01-07-2017 | |||||
| Robert Murić | Pescara | Huur einde | 01-07-2017 | |||||
| Leeroy Owusu | Excelsior | Huur einde | 01-07-2017 | |||||
| Robin Schouten | AZ | Transfer | 04-07-2017 | 01-07-2017 | 2 | 30-06-2019 | ||
| Django Warmerdam | PEC Zwolle | Huur einde | 01-07-2017 | |||||
| Kostas Lamprou | Geen | Nieuw contract | 01-08-2017 | 1 | 30-06-2018 | |||
| Saku Ylätupa | HJK Helsinki | Transfer | 21-07-2017 | 07-08-2017 | 3 | 30-06-2020 | ||
| Luis Orejuela | Deportivo Cali | Transfer | 11-08-2017 | 11-08-2017 | 5 | 30-06-2022 | ||
| Dennis Johnsen | SC Heerenveen | Transfer | 16-08-2017 | 16-08-2017 | ||||
| Max Wöber | Rapid Wien | Transfer | 24-08-2017 | 24-08-2017 | 4 | 30-06-2021 | ||
| Siem de Jong | Newcastle United | Transfer | 28-08-2017 | 28-08-2017 | 3 | 30-06-2020 | ||
| Dean Solomons | Ajax Cape Town | Transfer | 01-09-2017 | 01-09-2017 | 3 | 30-06-2020 | ||
| Leo Thethani | Ajax Cape Town | Transfer | 01-09-2017 | 01-09-2017 | 3 | 30-06-2020 | ||
| Danilo Pereira da Silva | Santos | Transfer | 07-09-2017 | 07-09-2017 | 5 | 30-06-2022 | ||
| Perr Schuurs | Fortuna Sittard | Transfer | 07-12-2017 | 01-01-2018 | 4.5 | 30-06-2022 | ||
| Nicolás Tagliafico | Independiente | Transfer | 06-01-2018 | 06-01-2018 | ||||
| Nicolas Kühn | RB Leipzig | Transfer | 16-01-2018 | 16-01-2018 | 3.5 | 30-06-2021 | ||
| Rasmus Nissen | FC Midtjylland | Transfer | 23-01-2018 | 23-01-2018 | 4.5 | 30-06-2022 | ||
| Dominik Kotarski | Dinamo Zagreb | Transfer | 07-07-2017 | 10-02-2018 | 30-06-2020 |
| Speler | Bekend | Begin | Lengte | Eind | Bedrag | Opmerking |
|---|---|---|---|---|---|---|
| Jurgen Ekkelenkamp | 19-12-2017 | 01-07-2017 | 3 | 30-06-2020 | ||
| Zian Flemming | 02-06-2017 | 01-07-2017 | 2 | 30-06-2019 | ||
| Sven Botman | 07-01-2018 | 4 | 30-06-2022 |
| Speler | Bekend | Begin | Lengte | Eind | Bedrag | Opmerking |
|---|---|---|---|---|---|---|
| Vince Gino Dekker | 23-06-2017 | 01-07-2017 | 1 | 30-06-2018 | ||
| Carel Eiting | 09-08-2017 | 01-07-2017 | 5 | 20-06-2022 | ||
| Boy Kemper | 23-06-2017 | 01-07-2017 | 2 | 30-06-2019 | ||
| Andre Onana | 16-05-2017 | 01-07-2017 | 4 | 30-06-2021 | ||
| Lasse Schöne | 22-02-2017 | 01-07-2017 | 2 | 30-06-2019 | ||
| Joël Veltman | 01-08-2017 | 01-07-2017 | 3 | 30-06-2020 | ||
| Matthijs de Ligt | 21-08-2017 | 12-08-2017 | 4 | 30-06-2021 | ||
| Frenkie de Jong | 22-12-2017 | 01-01-2018 | 4.5 | 30-06-2022 | ||
| Donny van de Beek | 05-01-2018 | 05-01-2018 | 4.5 | 30-06-2022 |
| Speler | Vorige club | Bekend | Begin | Lengte | Eind | Bedrag | Opmerking |
|---|---|---|---|---|---|---|---|
| Teun Bijleveld | AZ | 15-06-2017 | 01-07-2017 | 2 | 30-06-2019 | ||
| Jaymillio Pinas | Onbekend | 01-07-2017 |
| Speler | Vorige club | Nieuwe club | Type | Begin | Bedrag | Solidariteits Perc. | Solidariteits Bedrag |
|---|---|---|---|---|---|---|---|
| Kostas Lamprou | Willem II | Geen | Contract loopt af | 01-07-2017 | 0.25 |