| Transfer date | Old club | New club | Type | Amount |
|---|---|---|---|---|
| 2018-01-01 |
Southampton
|
Liverpool
|
Transfer | € 84.5 million |
| 2015-09-01 |
Celtic
|
Southampton
|
Transfer | € 15 million |
| 2013-07-01 |
Groningen
|
Celtic
|
Transfer | € 3 million |