| Date | Player | Type | From | Fee | Comment | |
|---|---|---|---|---|---|---|
| 06 Jul 2026 | Sandro Tonali | Transfer | Newcastle United | 92,500,000 | To £100million maximum | |
| 02 Jul 2026 | Mateus Fernandes | Transfer | West Ham United | 85,000,000 | Reported fee | |
| 01 Jul 2026 | Martin Dúbravka | Transfer | Burnley | Free | ||
| 01 Jul 2026 | Andy Robertson | Transfer | Liverpool | Free | ||
| 01 Jul 2026 | Marcos Senesi | Transfer | AFC Bournemouth | Free | ||
| 18 Jun 2026 | Jan Paul Van Hecke | Transfer | Brighton and Hove Albion | 52,000,000 | Reported fee | |
| 31 May 2026 | Alfie Dorrington | Loan return | Salford City | Loan to end of season | ||
| 31 May 2026 | Mikey Moore | Loan return | Rangers | Season loan | ||
| 31 May 2026 | Tyrese Hall | Loan return | Notts County | Season loan | ||
| 31 May 2026 | YANG Min-hyeok | Loan return | Coventry City | Loan to end of season | ||
| 31 May 2026 | Kōta Takai | Loan return | Borussia Monchengladbach | Loan to end of season | ||
| 31 May 2026 | Will Lankshear | Loan return | Oxford United | Season loan | ||
| 31 May 2026 | Damola Ajayi | Loan return | Bromley | Loan to end of season | ||
| 31 May 2026 | Yusuf Akhamrich | Loan return | Bristol Rovers | Loan to end of season | ||
| 31 May 2026 | Oliver Irow | Loan return | Mansfield Town | Loan to end of season | ||
| 31 May 2026 | Jamie Donley | Loan return | Oxford United | Loan to end of season | ||
| 31 May 2026 | Alejo Véliz | Loan return | Rosario Central | Season loan | ||
| 31 May 2026 | Ashley Phillips | Loan return | Stoke City | Season loan | ||
| 31 May 2026 | Alfie Devine | Loan return | Preston North End | Season loan | ||
| 31 May 2026 | George Abbott | Loan return | Mansfield Town | Loan to end of season | ||
| 31 May 2026 | Manor Solomon | Loan return | Fiorentina | Loan to end of season | ||
| 02 Feb 2026 | James Wilson | Loan | Heart of Midlothian | Loan to end of season | ||
| 01 Feb 2026 | George Abbott | Loan return | Wycombe Wanderers | Season loan | ||
| 22 Jan 2026 | Souza | Transfer | Santos | 13,000,000 | Reported fee | |
| 14 Jan 2026 | Damola Ajayi | Loan return | Doncaster Rovers | Season loan | ||
| 14 Jan 2026 | Conor Gallagher | Transfer | Atletico Madrid | 35,000,000 | Reported fee | |
| 06 Jan 2026 | YANG Min-hyeok | Loan return | Portsmouth | Season loan | ||
| 06 Jan 2026 | Alfie Dorrington | Loan return | Aberdeen | Season loan | ||
| 01 Jan 2026 | Manor Solomon | Loan return | Villarreal | Season loan | ||
| 31 Dec 2025 | Jamie Donley | Loan return | Stoke City | Season loan | ||
| 01 Sep 2025 | Randal Kolo Muani | Loan | Paris St Germain | Season loan | ||
| 29 Aug 2025 | Xavi Simons | Transfer | RB Leipzig | 51,800,000 | ||
| 03 Aug 2025 | João Palhinha | Loan | Bayern Munchen | Season loan | ||
| 10 Jul 2025 | Mohammed Kudus | Transfer | West Ham United | 55,000,000 | Reported fee | |
| 08 Jul 2025 | Kōta Takai | Transfer | Kawasaki Frontale | 5,000,000 | Reported fee | |
| 01 Jul 2025 | Luka Vušković | Transfer | Hajduk Split | 12,000,000 | Reported fee | |
| 01 Jul 2025 | Mathys Tel | Transfer | Bayern Munchen | 30,000,000 | Reported fee |
| Date | Player | Type | To | Fee | Comment | |
|---|---|---|---|---|---|---|
| 11 Jul 2026 | Yusuf Akhamrich | Loan | Leyton Orient | Season loan | ||
| 09 Jul 2026 | Radu Drăgușin | Loan | Fiorentina | Season loan | ||
| 01 Jul 2026 | Alejo Véliz | Transfer | Esporte Clube Bahia (Salvador) | 8,000,000 | Reported fee | |
| 31 May 2026 | João Palhinha | Loan return | Bayern Munchen | Season loan | ||
| 31 May 2026 | Randal Kolo Muani | Loan return | Paris St Germain | Season loan | ||
| 31 May 2026 | James Wilson | Loan return | Heart of Midlothian | Loan to end of season | ||
| 02 Feb 2026 | George Abbott | Loan | Mansfield Town | Loan to end of season | ||
| 02 Feb 2026 | Alfie Dorrington | Loan | Salford City | Loan to end of season | ||
| 22 Jan 2026 | Yusuf Akhamrich | Loan | Bristol Rovers | Loan to end of season | ||
| 15 Jan 2026 | Damola Ajayi | Loan | Bromley | Loan to end of season | ||
| 08 Jan 2026 | Oliver Irow | Loan | Mansfield Town | Loan to end of season | ||
| 07 Jan 2026 | YANG Min-hyeok | Loan | Coventry City | Loan to end of season | ||
| 02 Jan 2026 | Fraser Forster | Transfer | AFC Bournemouth | Free | ||
| 02 Jan 2026 | Kōta Takai | Loan | Borussia Monchengladbach | Loan to end of season | ||
| 02 Jan 2026 | Brennan Johnson | Transfer | Crystal Palace | 35,000,000 | Reported fee | |
| 02 Jan 2026 | Jamie Donley | Loan | Oxford United | Loan to end of season | ||
| 02 Jan 2026 | Manor Solomon | Loan | Fiorentina | Loan to end of season | ||
| 15 Dec 2025 | Sergio Reguilón | Transfer | Inter Miami | Free | ||
| 01 Sep 2025 | Manor Solomon | Loan | Villarreal | Season loan | ||
| 01 Sep 2025 | Bryan Gil | Transfer | Girona | 8,650,000 | ||
| 08 Aug 2025 | Alfie Devine | Loan | Preston North End | Season loan | ||
| 08 Aug 2025 | YANG Min-hyeok | Loan | Portsmouth | Season loan | ||
| 06 Aug 2025 | SON Heung-min | Transfer | Los Angeles FC | 19,500,000 | Reported fee | |
| 06 Aug 2025 | George Abbott | Loan | Wycombe Wanderers | Season loan | ||
| 06 Aug 2025 | Jamie Donley | Loan | Stoke City | Season loan | ||
| 05 Aug 2025 | Will Lankshear | Loan | Oxford United | Season loan | ||
| 04 Aug 2025 | Tyrese Hall | Loan | Notts County | Season loan | ||
| 01 Aug 2025 | Mikey Moore | Loan | Rangers | Season loan | ||
| 23 Jul 2025 | Ashley Phillips | Loan | Stoke City | Season loan | ||
| 19 Jul 2025 | Alfie Dorrington | Loan | Aberdeen | Season loan | ||
| 08 Jul 2025 | Alejo Véliz | Loan | Rosario Central | Season loan |