Middlesbrough FC
Zugänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 02/2021 |  | Nathaniel Mendez-Laing | MF | |||
| 02/2021 |  | Neeskens Kebano | ST |  | Fulham FC | Fulham |
| 01/2021 | | Darnell Fisher | AB |  | Preston North End | Preston North E |
| 01/2021 | | Yannick Bolasie | ST |  | Everton FC | Everton |
| 01/2021 |  | Williams Kokolo | AB | |||
| 01/2021 | | Isaac Fletcher | MF | |||
| 01/2021 | | Hayden Hackney | MF | |||
| 01/2021 | | Cain Sykes | MF | |||
| 01/2021 | | Rumarn Burrell | ST | |||
| 01/2021 |  | Jordan Archer | TW |  | Motherwell FC | Motherwell |
| 12/2020 | | Isaiah Jones | ST | |||
| 11/2020 | | Duncan Watmore | ST | |||
| 10/2020 | | Patrick Roberts | ST |  | Manchester City | Man City |
| 09/2020 | | Chuba Akpom | ST |  | PAOK Saloniki | PAOK |
| 09/2020 |  | Sam Morsy | MF |  | Wigan Athletic | Wigan |
| 09/2020 | | Marcus Bettinelli | TW | | Fulham FC | Fulham |
| 09/2020 | | Sam Stubbs | AB | |||
| 09/2020 | | Samuel Folarin | ST | |||
| 08/2020 | | Marcus Browne | MF |  | Oxford United | Oxford United |
| 08/2020 | | Ben Liddle | MF | |||
| 07/2020 | | Grant Hall | AB |  | Queens Park Rangers | QPR |
| 07/2020 | | Stephen Walker | MF |  | Crewe Alexandra | Crewe Alexandra |
Abgänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 01/2021 | | Rumarn Burrell | ST |  | Bradford City | Bradford |
| 10/2020 | | Ryan Shotton | AB |  | Leek Town FC | Leek Town FC |
| 10/2020 | | Aynsley Pears | TW |  | Blackburn Rovers | Blackburn |
| 10/2020 | | Stephen Walker | MF |  | Milton Keynes Dons | Milton Keynes |
| 10/2020 | | Ben Liddle | MF |  | Bristol Rovers | Bristol Rov. |
| 09/2020 |  | Daniel Ayala | AB | | Blackburn Rovers | Blackburn |
| 09/2020 | | Tomás Mejías | TW |  | Dinamo Bucureşti | Dinamo Bucurest |
| 09/2020 | | Sam Stubbs | AB |  | Fleetwood Town | Fleetwood Town |
| 09/2020 | | Adam Clayton | MF |  | Birmingham City | Birmingham |
| 08/2020 | | George Friend | AB | | Birmingham City | Birmingham |
| 08/2020 |  | Ravel Morrison | MF |  | Sheffield United | Sheffield Utd |
| 08/2020 | | Patrick Roberts | ST | | Manchester City | Man City |
| 07/2020 |  | Lukas Nmecha | ST |  | Manchester City U23 | Man City U23 |
| 07/2020 |  | Harold Moukoudi | AB |  | AS Saint-Étienne | Saint-Étienne |