| Transfers in (€31.3M) | |||
| 6/7/2017 | Iborra | Sevilla | N/A |
| 1/7/2017 | H. Barnes | MK Dons | N/A |
| 1/7/2017 | C. Elder | Barnsley | N/A |
| 1/7/2017 | H. Maguire | Hull | € 13.7M |
| 1/7/2017 | T. Lawrence | Ipswich | N/A |
| 1/7/2017 | M. James | Barnsley | N/A |
| 1/3/2017 | J. Gordon | Nantwich | N/A |
| 31/01/17 | M. Wagué | Granada | Loan |
| 5/1/2017 | W. Ndidi | Genk | € 17.6M |
| 4/1/2017 | H. Choudhury | Burton Albion | N/A |
| Transfers out (€15.8M) | |||
| 1/7/2017 | M. Wagué | Granada | N/A |
| 21/04/17 | J. O’Brien | Blackburn | N/A |
| 1/4/2017 | K. Taylor | Shrewsbury | N/A |
| 1/4/2017 | J. Moon | Barnsley | N/A |
| 1/4/2017 | T. Billson | Coventry | N/A |
| 14/02/17 | J. Barmby | Portland | Free |
| 9/2/2017 | Brandon Fox | Tamworth | Loan |
| 31/01/17 | C. Elder | Barnsley | Loan |
| 25/01/17 | M. James | Barnsley | Loan |
| 24/01/17 | Luis Hernández | Málaga | € 2M |
| 20/01/17 | H. Barnes | MK Dons | Loan |
| 13/01/17 | J. Schlupp | Crystal Palace | € 13.8M |
