Watford FC
Zugänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 01/2020 |  | Adalberto Peñaranda | ST |  | AS Eupen | KAS Eupen |
| 01/2020 |  | Ignacio Pussetto | ST |  | Udinese Calcio | Udinese |
| 01/2020 |  | Jorge Segura | AB |  | Atlas Guadalajara | Atlas |
| 01/2020 |  | João Pedro | ST |  | Fluminense RJ | Fluminense |
| 08/2019 |  | Ismaïla Sarr | ST |  | Stade Rennes | Rennes |
| 07/2019 |  | Tom Dele-Bashiru | MF |  | Manchester City U23 | Man City U23 |
| 07/2019 |  | Sam Dalby | ST |  | Leeds United (R) | Leeds United (R) |
| 07/2019 |  | Daniel Bachmann | TW |  | Kilmarnock FC | Kilmarnock |
| 07/2019 | | Craig Dawson | AB |  | West Bromwich Albion | West Brom |
| 07/2019 |  | Dimitri Foulquier | AB |  | Getafe CF | Getafe |
| 07/2019 | | Ben Wilmot | AB | | Udinese Calcio | Udinese |
| 07/2019 |  | Marvin Zeegelaar | AB | | Udinese Calcio | Udinese |
| 07/2019 |  | Kwasi Sibo | MF |  | KF Skënderbeu | Skënderbeu |
| 07/2019 | | Cucho Hernández | ST |  | SD Huesca | Huesca |
| 07/2019 |  | Dodi Lukebakio | ST |  | Fortuna Düsseldorf | Düsseldorf |
| 07/2019 |  | Stefano Okaka | ST | | Udinese Calcio | Udinese |
| 07/2019 |  | Filip Stuparević | ST |  | FK Voždovac | FK Voždovac |
Abgänge
| ab | Name | Pos | Mannschaft | Team | ||
|---|---|---|---|---|---|---|
| 02/2020 | | Jorge Segura | AB |  | Envigado FC | Envigado |
| 01/2020 |  | Pontus Dahlberg | TW |  | FC Emmen | FC Emmen |
| 01/2020 | | Marvin Zeegelaar | AB | | Udinese Calcio | Udinese |
| 01/2020 | | Dimitri Foulquier | AB |  | Granada CF | Granada CF |
| 09/2019 | | Filip Stuparević | ST |  | 1. FK Příbram | Příbram |
| 09/2019 | | Stefano Okaka | ST | | Udinese Calcio | Udinese |
| 09/2019 | | Adalberto Peñaranda | ST | | AS Eupen | KAS Eupen |
| 08/2019 | | Cucho Hernández | ST |  | RCD Mallorca | Mallorca |
| 08/2019 | | Ken Sema | MF | | Udinese Calcio | Udinese |
| 08/2019 | | Kwasi Sibo | MF |  | UD Ibiza | UD Ibiza |
| 08/2019 | | Dodi Lukebakio | ST |  | Hertha BSC | Hertha BSC |
| 07/2019 | | Ben Wilmot | AB |  | Swansea City | Swansea |
| 07/2019 |  | Navarro | AB |  | CD Leganés | Leganés |