| Player, Position | Bought From: | Transfer Fee: |
| Fabio Carvalho, Midfield | Fulham | £7,700,000 |
| Darwin Nunez, Forward | Benfica | £85,360,000 |
| Calvin Ramsey, Defender | Aberdeen | £6,500,000 |
| Player, Position | Sold To: | Transfer Fee: |
| Sadio Mane, Forward | Bayern Munich | £35,100,000 |
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