Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 04/2018 |  | Tim Freriks | FW |  | FC Groningen (J) | FC Groningen (J) |
| 01/2018 |  | Deyovaisio Zeefuik | DF |  | AFC Ajax | Ajax |
| 12/2017 | | Michael Breij | FW | | FC Groningen (J) | FC Groningen (J) |
| 10/2017 | | Lars Kramer | DF | | FC Groningen (J) | FC Groningen (J) |
| 09/2017 |  | Abdel el Ouazzane | GK | | FC Groningen (J) | FC Groningen (J) |
| 08/2017 | | Jan Hoekstra | GK | | FC Groningen (J) | FC Groningen (J) |
| 08/2017 | | Amir Absalem | DF | | FC Groningen (J) | FC Groningen (J) |
| 08/2017 |  | Ludovit Reis | MF | | FC Groningen (J) | FC Groningen (J) |
| 08/2017 | | Tom van de Looi | MF | | FC Groningen (J) | FC Groningen (J) |
| 08/2017 |  | Carlos Antuna | FW |  | Manchester City U21 | Man City U21 |
| 07/2017 |  | Lars Veldwijk | FW |  | Aalesunds FK | Aalesunds FK |
| 07/2017 |  | Todd Kane | DF |  | Chelsea FC U21 | Chelsea FC U21 |
| 07/2017 |  | Kevin Begois | GK |  | PEC Zwolle | PEC Zwolle |
| 07/2017 | | Mike te Wierik | DF |  | Heracles Almelo | Heracles |
| 07/2017 | | Django Warmerdam | DF | | PEC Zwolle | PEC Zwolle |
| 07/2017 |  | Ritsu Dōan | MF |  | Gamba Osaka | Gamba |
| 07/2017 | | Bas Roorda | GK-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2018 | | Etiënne Reijnen | DF |  | Maccabi Haifa | M. Haifa |
| 01/2018 | | Todd Kane | DF | | Chelsea FC U21 | Chelsea FC U21 |
| 01/2018 |  | Ruben Jenssen | MF |  | 1. FC Kaiserslautern | K'lautern |
| 07/2017 |  | Simon Tibbling | MF |  | Brøndby IF | Brøndby IF |
| 07/2017 | | Bryan Linssen | FW |  | Vitesse | Vitesse |
| 07/2017 | | Nick Borgman | GK |  | VV Hoogeveen | VV Hoogeveen |
| 07/2017 | | Erwin Heidekamp | GK |  | Oranje Nassau | Oranje Nassau |
| 07/2017 | | Stefan van der Lei | GK |  | Willem II | Willem II |
| 07/2017 | | Peter van der Vlag | GK |  | Be Quick 1887 | Be Quick 1887 |
| 07/2017 |  | Jason Davidson | DF |  | Huddersfield Town | Huddersfield |
| 07/2017 | | Hedwiges Maduro | DF |  | Omonia Nikosia | Omonia Nikosia |
| 07/2017 |  | Desevio Payne | DF |  | SBV Excelsior | Excelsior |
| 07/2017 | | Tim Riksman | DF | | FC Groningen (J) | FC Groningen (J) |
| 07/2017 | | Martijn van der Laan | DF | | FC Groningen (J) | FC Groningen (J) |
| 07/2017 | | Keziah Veendorp | DF |  | FC Emmen | FC Emmen |
| 07/2017 | | Glenn Bijl | MF | | FC Emmen | FC Emmen |
| 07/2017 | | Robbert de Vos | MF | | FC Groningen (J) | FC Groningen (J) |
| 07/2017 | | Tom Hiariej | MF |  | Central Coast Mariners | CC Mariners |
| 07/2017 | | Gerald Postma | MF | | FC Groningen (J) | FC Groningen (J) |
| 07/2017 |  | David Browne | FW | | FC Groningen (J) | FC Groningen (J) |