Transfers
Recent player movements in and out of the squad
| Date | Player | From | To | Type |
|---|---|---|---|---|
| 15.08.2018 | K. Michael | Bologna | — | Loan |
| 13.08.2018 | C. Falletti | Bologna | — | Loan |
| 06.08.2018 | G. Corbo | Spezia | Bologna | € 1.2M |
| 06.08.2018 | F. Brignani | Bologna | Pisa | Loan |
| 06.08.2018 | E. Krafth | Bologna | — | Loan |
| 27.07.2018 | V. Torosidis | Bologna | Olympiakos Piraeus | Free |
| 20.07.2018 | F. Mattiello | Atalanta | Bologna | Loan |
| 14.07.2018 | Andrea Vassallo | Bologna | — | Loan |
| 11.07.2018 | F. Ravaglia | Bologna | — | Loan |
| 10.07.2018 | L. Crisetig | Bologna | Frosinone | Loan |
| 10.07.2018 | M. Albertazzi | Bologna | — | Free |
| 06.07.2018 | M. Sarr | Bologna | — | Loan |
| 05.07.2018 | M. Svanberg | Malmo FF | Bologna | € 5M |
| 04.07.2018 | F. Di Francesco | Bologna | Sassuolo | € 10M |
| 04.07.2018 | D. Falcinelli | Sassuolo | Bologna | € 10M |
| 04.07.2018 | F. Falco | Bologna | Lecce | N/A |
| 02.07.2018 | A. Masina | Bologna | — | N/A |
| 01.07.2018 | S. Verdi | Bologna | Napoli | € 25M |
| 01.07.2018 | A. Mirante | Bologna | AS Roma | € 4M |
| 01.07.2018 | A. Calabresi | AS Roma | Bologna | € 200K |
| 01.07.2018 | Ł. Skorupski | AS Roma | Bologna | € 9M |
| 01.07.2018 | Filippo Inzaghi | Venezia | Bologna | N/A |
| 01.07.2018 | B. Vécsei | Bologna | FC Lugano | N/A |
| 01.07.2018 | E. Pattarello | Bologna | — | Loan |
| 01.07.2018 | F. Avenatti | — | Bologna | N/A |
| 01.07.2018 | M. Oikonomou | Bologna | AEK Athens FC | Loan |
| 01.07.2018 | M. Oikonomou | — | Bologna | N/A |
| 01.07.2018 | F. Santander | FC Copenhagen | Bologna | € 5.4M |
| 01.07.2018 | O. Okwonkwo | — | Bologna | N/A |
| 01.07.2018 | A. Ferrari | Bologna | Sampdoria | Loan |
| 01.07.2018 | F. Falco | — | Bologna | N/A |
| 01.07.2018 | M. Sarr | — | Bologna | N/A |
| 01.07.2018 | G. Frabotta | Bologna | — | Loan |
| 01.07.2018 | N. Paz | — | Bologna | N/A |
| 01.07.2018 | M. Dijks | Ajax | Bologna | Free |
| 07.02.2018 | S. Taïder | Bologna | — | Loan |
| 03.02.2018 | N. Paz | Bologna | — | Loan |
| 31.01.2018 | Lorenzo Musto | Bologna | — | Loan |
| 31.01.2018 | D. Maietta | Bologna | Empoli | N/A |
| 31.01.2018 | O. Okwonkwo | Bologna | — | Loan |
| 31.01.2018 | S. Romagnoli | Empoli | Bologna | Loan |
| 30.01.2018 | K. Lidin | Pisa | Bologna | Loan |
| 24.01.2018 | K. Krastev | — | Bologna | € 1.5M |
| 24.01.2018 | N. Paz | — | Bologna | € 800K |
| 22.01.2018 | C. Mutton | Inter | Bologna | Loan |
| 19.01.2018 | B. Džemaili | — | Bologna | N/A |
| 19.01.2018 | F. Falco | Bologna | — | Loan |
| 14.01.2018 | Luca Rizzo | Bologna | Atalanta | Loan |
| 11.01.2018 | M. Oikonomou | Bologna | — | Loan |
| 11.01.2018 | B. Petković | Bologna | Hellas Verona | Loan |