| DARYL | 2012-18 Netherlands and 2016-20 Watford defender (5,7) |
| JANMAAT | 2012-18 Netherlands and 2016-20 Watford defender (5,7) |
| PEREYRA | Roberto, AEK Athens, 2014-19 Argentina and 2016-20 Watford midfielder (7) |
| FOSUMENSAH | Timothy ... - ..., 2017-18 Netherlands, 2016-21 Manchester United and 2021-24 Bayer 04 Leverkusen defender (4-6) |
| PRODL | Sebastian ....., 2007-18 Austria and 2015-20 Watford |
| WELBECK | Danny ....... , Brighton & Hove Albion, 2011-18 England, 2008-14 Man United, 2014-19 Arsenal and 2019-20 Watford forward (7) |
| ASHCROFT | Lee ........ , Dundee, 2013-16 Kilmarnock and 2016-20 Dunfermline defender (8) |
| ANYA | Ikechi .... , 2013-17 Scotland, 2013-16 Watford and 2016-20 Derby midfielder (4) |
| KODJIA | Jonathan ...... , Annecy, 2016-21 Ivory Coast and 2016-20 Aston Villa forward (6) |
| PATERSON | Callum, Sheffield Wednesday and 2016-20 Scotland midfielder/defender (8) |
| MOUNIRR | Thomas ..., Belgium, Lille and 2016-20 Paris St Germain defender (7) |
| JESE | 2011-16 Real Madrid and 2016-20 Paris Saint-Germain attacker; 2017-18 Stoke City loanee (4) |
| SANE | Germany, Bayern Munich and 2016-20 Manchester City winger/ midfielder (4) |
| LEROY | Germany, Bayern Munich and 2016-20 Manchester City winger/ midfielder (5) |
| SAMMORSY | Egypt, Ipswich and 2016-20 Wigan midfielder (3,5) |
| IMBULA | Giannelli ...... , 2019 DR Congo and 2016-20 Stoke midfielder (6) |
| SCHURRLE | 2010-17 Germany, 2013-15 Chelsea and 2016-20 Borussia Dortmund attacker (8) |
| ANDRE | 2010-17 Germany, 2013-15 Chelsea and 2016-20 Borussia Dortmund attacker (5) |
| EBERECHIEZE | England, Crystal Palace and 2016-20 QPR attacker (8,3) |
| WORSFOLD | 2002-13 West Coast and 2016-20 Essendon coach, John ... (8) |
