| SURNAME | FIRST | D.O.B. | AGE | CLUB | COUNTRY | DIVISION | POSITION | MOST RECENT STATUS | |||
| Holland | James | 15/05/1989 | 32 | LASK Linz (ECL) | Austria | (1) Bundesliga | Midfielder | 28/4/21 Started | |||
| Vukovic | Danny | 27/03/1985 | 36 | KRC Genk (ECL) | Belgium | (1) First Divison A | Goalkeeper | Released March 2021 | |||
| Sainsbury | Trent | 05/01/1992 | 29 | KV Kortrijk | Belgium | (1) First Divison A | Defender | 20/3/21 Started | |||
| Armenakas | Panos | 05/08/1998 | 22 | Zulte Waragem | Belgium | (1) First Divison A | Midfielder | 18/4/21 Used sub. | |||
| Peios | Emile | 21/06/2003 | 17 | Sint Truiden | Belgium | U18's | Midfielder | Transferred April 2021 | |||
| Rech | Rafael | 18/11/2002 | 18 | Sao Paulo FC | Brazil | Paulista U19 | Forward | Transferred October 2020 (League suspended) | |||
| Makrillos | Peter | 09/04/1995 | 26 | Slavia Sofia | Bulgaria | (1) First League | Forward | 24/4/21 Started | |||
| Shalamanov-Trenkov | Iliya | 07/08/2002 | 18 | FC Litex Lovech | Bulgaria | (2) Second League | Goalkeeper | 23/4/21 Started | |||
| Inia | Ata | 25/04/2000 | 21 | Angkor Tiger FC | Cambodia | (1) C-League | Midfielder | 7/4/21 Unused sub. | |||
| Mooy | Aaron | 15/09/1990 | 30 | Shanghai Port | China | (1) CSL | Midfielder | 28/4/21 Started | |||
| Wong | Daniel | 17/11/1997 | 23 | Beijing Renhe | China | (2) League One Gr. A (Rel) | Forward | Released March 2021 | |||
| Kalik | Anthony | 05/11/1997 | 23 | HNK Gorica | Croatia | (1) 1. HNL | Midfielder | 21/3/21 Started | |||
| Juric | Deni | 03/09/1997 | 23 | HNK Sibenik | Croatia | (1) 1. HNL | Forward | 20/3/21 Started | |||
| Grdic | Doni | 22/01/2002 | 19 | HNK Sibenik | Croatia | (1) 1. HNL | Defender | 15/3/21 Unused sub. | |||
| Zelic | Josip | 27/07/2001 | 19 | NK Dubrava Zagreb | Croatia | (2) 2. HNL | Midfielder | Released March 2021 | |||
| Prso | Luka | 22/01/2001 | 20 | NK Osijek II | Croatia | (2) 2. HNL | Midfielder | Loan to Newcastle Jets | |||
| Bakmaz | Ante | 07/03/1992 | 29 | NK Vrapce | Croatia | (3) 3. HNL Srediste | Defender | 24/4/21 Started | |||
| Mlinaric | Anton | 11/03/2002 | 19 | Dinamo Zagreb (Youth) | Croatia | Juniori I | Defender | Loan commenced February 2021 | |||
| Jadric | Nikola | 12/09/2002 | 18 | HNK Rijeka (Youth) | Croatia | Juniori I | Midfielder | 22/3/21 Used sub. | |||
| Loncaric | Brandon | 24/03/2002 | 19 | NK Kustosija | Croatia | Juniori I | Defender | Transferred March 2021 | |||
| Skender | Ryan | 18/11/2003 | 17 | NK Lokomotiva Zagreb (Youth) | Croatia | Juniori II | Forward | Transferred July 2020 | |||
| Delengas | Yanni | 13/09/1999 | 21 | Achyronas Liopetriou | Cyprus | (2) 2. Division | Goalkeeper | Transferred August 2020 | |||
| D'Agostino | Adam | 08/03/2002 | 19 | Achyronas Liopetriou | Cyprus | (2) 2. Division | Forward | Transferred August 2020 | |||
| Ayoubi | Austin | 27/07/2001 | 19 | Othellos Athienou | Cyprus | (2) 2. Division | Midfielder | 24/4/21 SCORED | |||
| Majok | Abraham | 13/10/1998 | 22 | PAEEK FC | Cyprus | (2) 2. Division | Forward | 17/4/21 SCORED | |||
| Cuelho | Corey | 27/04/2000 | 21 | ENAD Polis Chrysochous FC | Cyprus | (3) 3. Division | Midfielder | Transferred January 2021 | |||
| Perez | Jordan | 03/01/2003 | 18 | AEK Larnaca | Cyprus | U19 | Midfielder | Transferred February 2021 | |||
| Gersbach | Alex | 08/05/1997 | 24 | AGF (Europa) | Denmark | (1) Superliga | Defender | 22/4/21 Started | |||
| Arzani | Daniel | 04/01/1999 | 22 | AGF (Europa) | Denmark | (1) Superliga | Midfielder | 10/2/21 Used sub. (Cup) (Injury) | |||
| Duncan | Zach | 31/05/2000 | 21 | AGF (Europa) | Denmark | (1) Superliga | Midfielder | 25/4/21 Used sub. | |||
| Mabil | Awer | 15/09/1995 | 25 | FC Midtjylland (ECL) | Denmark | (1) Superliga | Midfielder | 21/3/21 Started | |||
| Martis | Antonis | 08/09/2000 | 20 | FC Midtjylland (UEFA YL) | Denmark | (1) Superliga | Midfielder | Loan to Macarthur Rams | |||
| Bility | Hosine | 10/05/2001 | 20 | FC Midtjylland (UEFA YL) | Denmark | (1) Superliga | Defender | 28/11/20 U19's | |||
| Mileusnic | Nikola | 17/07/1993 | 27 | Randers | Denmark | (1) Superliga | Midfielder | 25/4/21 Started | |||
| Thomas | Lawrence | 09/05/1992 | 29 | SonderjyskE | Denmark | (1) Superliga | Goalkeeper | 25/4/21 Started | |||
| Ryan | Mat | 08/04/1992 | 29 | Arsenal (Europa) | England | (1) Premier League | Goalkeeper | 29/4/21 Unused sub. (Europa) | |||
| Gwargis | Peter | 04/09/2000 | 20 | Brighton Hove & Albion (Youth) | England | (1) Premier League | Midfielder | Released April 2021 | |||
| Peupion | Cameron | 23/09/2002 | 18 | Brighton Hove & Albion (Youth) | England | (1) Premier League | Midfielder | 24/4/21 U18's | |||
| Rich-Baghuelou | Jay | 22/10/1999 | 21 | Crystal Palace (Youth) | England | (1) Premier League | Defender | 26/4/21 U23's | |||
| Ouzounidis | Con | 08/10/1999 | 21 | Everton | England | (1) Premier League | Defender | 24/4/21 U23's | |||
| Schwarzer | Julian | 26/10/1999 | 21 | Fulham (Youth) | England | (1) Premier League | Goalkeeper | 5/2/21 U23's | |||
| Francois | Tyrese | 16/07/2000 | 20 | Fulham (Youth) | England | (1) Premier League | Midfielder | 26/4/21 U23's | |||
| Skerry | Cooper | 26/11/2002 | 18 | Leeds United (Youth) | England | (1) Premier League | Goalkeeper | 28/11/20 U18's | |||
| Robertson | Alex | 01/04/2003 | 18 | Manchester City (Youth) | England | (1) Premier League | Midfielder | 30/4/21 U23's | |||
| Watts | Caleb | 16/01/2002 | 19 | Southampton B | England | (1) Premier League | Midfielder | 21/3/21 Started | |||
| Chapman | Angus | 07/06/2003 | 17 | Barnsley FC (Youth) | England | (2) Championship | Forward | 27/3/21 U18's | |||
| McGree | Riley | 02/11/1998 | 22 | Birmingham City FC | England | (2) Championship | Midfielder | 24/4/21 Started | |||
| Djurovic | Daniel | 22/04/2003 | 18 | Birmingham City FC (Youth) | England | (2) Championship | Defender | 22/2/21 U18's | |||
| Gilsenan | Zak | 08/05/2003 | 18 | Blackburn Rovers (Youth) | England | (2) Championship | Midfielder | 27/4/21 U18's | |||
| Brook | Lachlan | 08/02/2001 | 20 | Brentford B | England | (2) Championship | Forward | 28/4/21 Started | |||
| Francois | Marlee | 29/12/2002 | 18 | Bristol City (Youth) | England | (2) Championship | Midfielder | 20/4/21 U23's | |||
| Cogman | Jaimie | 28/01/2003 | 18 | Cardiff City (Youth) | England | (2) Championship | Goalkeeper | 28/4/21 U23's | |||
| Chapman | Jacob | 22/10/2000 | 20 | Huddersfield Town B | England | (2) Championship | Goalkeeper | 28/4/21 U19's | |||
| Bilokapic | Nicholas | 08/09/2002 | 18 | Huddersfield Town B | England | (2) Championship | Goalkeeper | 20/4/21 U18's | |||
| Doorbar-Baptist | Luca | 19/07/2002 | 18 | Nottingham Forest (Youth) | England | (2) Championship | Defender | Injury - ankle | |||
| Luongo | Massimo | 25/09/1992 | 28 | Sheffield Wednesday | England | (2) Championship | Midfielder | 2/2/21 Used sub. (Injury - knee) | |||
| Souttar | Harry | 22/10/1998 | 22 | Stoke City | England | (2) Championship | Defender | 24/4/21 Started | |||
| Harrison | Jordan | 09/09/2002 | 18 | Watford (Youth) | England | (2) Championship (PROM) | Midfielder | Injury - leg | |||
| Burgess | Cameron | 21/10/1995 | 25 | Accrington Stanley | England | (3) League One | Defender | 27/4/21 Started, SCORED | |||
| Dougall | Kenny | 07/05/1993 | 28 | Blackpool | England | (3) League One | Defender | 27/4/21 Started | |||
| Edwards | Ryan | 18/11/1993 | 27 | Burton Albion | England | (3) League One | Midfielder | 27/4/21 Started | |||
| Maynard-Brewer | Ashley | 25/06/1999 | 21 | Charlton Athletic | England | (3) League One | Goalkeeper | 27/4/21 Unused sub. | |||
| Dench | Matthew | 08/12/2003 | 17 | Charlton Athletic (Youth) | England | (3) League One | Midfielder | 19/4/21 U18's | |||
| Raffie | Akiel | 20/11/2002 | 18 | Fleetwood Town | England | (3) League One | Midfielder | 4/4/21 U18's | |||
| Folami | Ben | 08/06/1999 | 21 | Ipswich Town | England | (3) League One | Forward | Loan to Melbourne Victory (Released May '21) | |||
| Miller | Charlie | 19/01/2003 | 18 | Plymouth Argyle (Youth) | England | (3) League One | Midfielder | 25/4/21 U18's | |||
| Williams | Ryan | 28/10/1993 | 27 | Portsmouth | England | (3) League One | Midfielder | 27/4/21 Used sub., SCORED | |||
| Wright | Bailey | 28/07/1992 | 28 | Sunderland | England | (3) League One | Defender | 27/4/21 Started | |||
| Elder | Callum | 27/01/1995 | 26 | Hull City | England | (3) League One (PROM) | Midfielder | 24/4/21 Started | |||
| Lyden | Jordan | 30/01/1996 | 25 | Swindon Town | England | (3) League One (RELE) | Midfielder | 17/4/21 Started | |||
| Beadling | Thomas | 16/01/1996 | 25 | Barrow AFC | England | (4) League Two | Defender | 27/4/21 Started | |||
| Jones | Gethin | 13/10/1995 | 25 | Bolton Wanderers | England | (4) League Two | Midfielder | 24/4/21 Started | |||
| Iredale | Jack | 02/05/1996 | 25 | Cambridge United | England | (4) League Two | Defender | 30/4/21 Started | |||
| Blackwood | George | 04/06/1997 | 24 | Oldham Athletic | England | (4) League Two | Forward | 20/4/21 Used sub., SCORED | |||
| Ogle | Reagan | 29/03/1999 | 22 | Altrincham | England | (5) National League | Defender | 24/4/21 Started | |||
| Miccio | Lewis | 02/12/1998 | 22 | Solihull Moors | England | (5) National League | Defender | Loan return (Stourbridge) - Nov '20 | |||
| Bouzanis | Dean | 02/10/1990 | 30 | Sutton United FC | England | (5) National League | Goalkeeper | 27/4/21 Started | |||
| Kealy | Callum | 26/09/1998 | 22 | Sutton United FC (Worthing) | England | (5) National League | Forward | 17/4/21 Used sub. | |||
| Skinner | Jack | 18/06/2000 | 20 | Woking | England | (5) National League | Midfielder | 27/4/21 Unused sub. | |||
| Stokes | Noah | 14/11/2001 | 19 | Curzon Ashton | England | (6) National League North | Defender | 16/1/21 Unused sub. (League abandoned) | |||
| McGilp | Cameron | 08/02/1998 | 23 | Gloucester City | England | (6) National League North | Midfielder | Transferred February 2021 (League abandoned) | |||
| Williams | Aryn | 28/10/1993 | 27 | Havant & Waterloo | England | (6) National League North | Defender | Released April 2021 | |||
| Rollinson | Joel | 16/11/1998 | 22 | Eastbourne Borough | England | (6) National League South | Midfielder | 16/2/21 Started (League abandoned) | |||
| Holmes | Jordan | 08/05/1997 | 24 | Ebbsfleet United | England | (6) National League South | Goalkeeper | 13/2/21 Started (League abandoned) | |||
| Hope | Jamie | 14/07/2001 | 19 | Hampton & Richmond | England | (6) National League South | Midfielder | 13/3/20 U19's (Last season) (League abandoned) | |||
| O'Connor | Alex | 05/01/2001 | 20 | Barnsley FC SYT | England | NFYL | Midfielder | Loan return (Bamber Bridge) - Dec '20 | |||
| Abdallah | Aamir | 08/05/1999 | 22 | FCI Levadia | Estonia | (1) Meistriliiga | Midfielder | 6/3/21 Started, SCORED (Reserves) | |||
| Murnane | Dylan | 18/01/1995 | 26 | HJK Helsinki | Finland | (1) Veikkausliiga | Defender | 24/4/21 Started | |||
| Hrustic | Ajdin | 05/07/1996 | 24 | Eintracht Frankfurt | Germany | (1) Bundesliga | Midfielder | 24/4/21 Unused sub. | |||
| Leckie | Mathew | 04/02/1991 | 30 | Hertha Berlin | Germany | (1) Bundesliga | Forward | 10/4/21 Unused sub. | |||
| Kuol | Alou | 05/07/2001 | 19 | VfB Stuttgart | Germany | (1) Bundesliga | Forward | Transferred April 2021 (effective July '21) | |||
| Borrello | Brandon | 25/07/1995 | 25 | Fortuna Dusseldorf | Germany | (2) 2. Bundesliga | Midfielder | 24/4/21 Started | |||
| Iredale | John | 01/08/1999 | 21 | Wolfsburg II | Germany | (4) Reg Nord | Forward | Pre-contract SC Paderborn 07 (July 2021) | |||
| Young | Jacob | 06/03/2000 | 21 | TSG 1899 Hoffenheim B | Germany | (4) Reg Sudwest | Defender | Injury - back | |||
| Theoharous | Christian | 06/12/1999 | 21 | Borussia Monchengladbach II | Germany | (4) Reg West | Forward | 17/10/20 Started (Injury - COVID) | |||
| Italiano | Jacob | 30/07/2001 | 19 | Borussia Monchengladbach II | Germany | (4) Reg West | Forward | 17/4/21 Started | |||
| Houdek | Michael | 23/03/1996 | 25 | VfB Ginsheim | Germany | (5) Ober Hessenliga | Midfielder | 18/10/20 Started (League postponed) | |||
| Vinci | Alec | 02/10/1999 | 21 | BCV Glesch-Paffendorf | Germany | (5) Ober Mittelrheinliga | Midfielder | 11/10/20 Unused sub. (League postponed) | |||
| Rizoski | Mark | 22/01/1997 | 24 | FC Pesch | Germany | (5) Ober Mittelrheinliga | Defender | 25/10/20 Unused sub. (League postponed) | |||
| Kemp | Cameron | 21/09/1998 | 22 | Vfl Alfter 1925 | Germany | (5) Ober Mittelrheinliga | Goalkeeper | 25/10/20 Unused sub. (League postponed) | |||
| Gorrie | Martin | 13/04/1993 | 28 | SV Tasmania Berlin | Germany | (5) Ober Nordost-Nord | Midfielder | 25/10/20 Used sub. (League postponed) | |||
| Botic | Noah | 11/01/2002 | 19 | TSG 1899 Hoffenheim | Germany | U19 Bundesliga | Forward | 24/10/20 Used sub., SCORED (League postponed) | |||
| Jeggo | Jimmy | 12/02/1992 | 29 | Aris Thessaloniki (Europa) | Greece | (1) Super League 1 | Midfielder | 25/4/21 Used sub. | |||
| Giannou | Apostolis | 25/01/1990 | 31 | OFI Crete | Greece | (1) Super League 1 | Forward | 24/4/21 Started | |||
| Pavlis | Emmanuel | 04/12/2002 | 18 | Apollon Larisas | Greece | (2) Super League 2 | Midfielder | 20/1/21 Unused sub. | |||
| Jurman | Matt | 08/12/1989 | 31 | Xanthi | Greece | (2) Super League 2 | Defender | 21/4/21 Used sub. | |||
| Brillante | Josh | 25/03/1993 | 28 | Xanthi | Greece | (2) Super League 2 | Midfielder | 28/4/21 Started | |||
| Izzo | Paul | 06/01/1995 | 26 | Xanthi | Greece | (2) Super League 2 | Goalkeeper | 28/4/21 Started | |||
| Popovic | Kristian | 14/08/2001 | 19 | Xanthi | Greece | (2) Super League 2 | Midfielder | Released March 2021 | |||
| Popovic | Gabriel | 28/07/2003 | 17 | Xanthi | Greece | (2) Super League 2 | Forward | Released March 2021 | |||
| Lum | Jared | 19/07/1992 | 28 | Eastern Lions (AFC) | Hong Kong | (1) Premier League | Midfielder | 30/4/21 Started | |||
| Chung | Chris | 20/06/1998 | 22 | Pegasus | Hong Kong | (1) Premier League | Midfielder | 11/4/21 Used sub. | |||
| Cahill | Matthew | 06/08/2000 | 20 | Southern District | Hong Kong | (1) Premier League | Forward | 30/4/21 Used sub. | |||
| Gibbs | Joey | 13/06/1992 | 28 | Keflavik IF | Iceland | (1) Urvalsdeild | Forward | *19/3/21 Started (Cup) | |||
| Kelaart | Oliver | 16/04/1998 | 23 | Keflavik IF | Iceland | (1) Urvalsdeild | Forward | *Transferred March 2021 | |||
| Williams | David | 26/02/1988 | 33 | ATK Mohun Bagan (AFC | India | (1) Indian Super League | Forward | *13/3/21 Started, SCORED | |||
| Paartalu | Erik | 03/05/1986 | 35 | Bengaluru FC (AFC) | India | (1) Indian Super League | Midfielder | *14/4/21 Started (AFC) | |||
| Donachie | James | 14/05/1993 | 28 | FC Goa (ACL) | India | (1) Indian Super League | Defender | *26/4/21 Started (ACL) | |||
| Chianese | Joel | 15/02/1990 | 31 | Hyderabad | India | (1) Indian Super League | Forward | *Loan to Perth Glory | |||
| Fitzgerald | Nick | 13/02/1992 | 29 | Jamshedpur | India | (1) Indian Super League | Forward | *25/2/21 Used sub. | |||
| Murray | Jordan | 02/10/1995 | 25 | Kerala Blasters | India | (1) Indian Super League | Forward | *26/2/21 Started | |||
| Fox | Dylan | 15/04/1994 | 27 | NorthEast United | India | (1) Indian Super League | Defender | *9/3/21 Started | |||
| Inman | Brad | 10/12/1991 | 29 | Odisha FC | India | (1) Indian Super League | Midfielder | *Loan to Western United | |||
| Tratt | Jacob | 14/09/1994 | 26 | Odisha FC | India | (1) Indian Super League | Defender | *27/2/21 Started | |||
| Pepper | Jacob | 08/05/1992 | 29 | Madura United | Indonesia | (1) Liga 1 | Midfielder | *3/4/21 Started (Cup) | |||
| Evans | Aaron | 21/11/1994 | 26 | PSS Slemen | Indonesia | (1) Liga 1 | Defender | *19/4/21 Started (Cup) | |||
| Rukavytsya | Nikita | 22/06/1987 | 33 | Maccabi Haifa FC (Europa) | Israel | (1) Ligat ha'AI | Forward | 26/4/21 Used sub. | |||
| Karacic | Fran | 05/12/1996 | 24 | Brescia | Italy | (2) Serie B | Defender | 17/4/21 Started | |||
| Cleur | Gabriel | 31/01/1998 | 23 | Virtus Entella | Italy | (2) Serie B (RELE) | Defender | 27/4/21 Started | |||
| Pennington | Nicholas | 18/12/1998 | 22 | Olbia | Italy | (3) Serie C Gr A | Midfielder | 25/4/21 Started | |||
| Zawko | Joseph | 24/11/1997 | 23 | A.S.D. Agro Real Aversa | Italy | (4) Serie D Gr H | Forward | Released January 2021 | |||
| Del Grosso | Alberto | 05/04/2001 | 20 | USD Lavello | Italy | (4) Serie D Gr H | Midfielder | 14/4/21 Used sub. | |||
| Novello | Jahce | 01/01/2004 | 17 | Cremonese (Youth) | Italy | U17 | Forward | 18/4/21 Used sub. | |||
| Volpato | Cristian | 01/01/2003 | 18 | AS Roma | Italy | U18 | Midfielder | 25/4/21 Used sub. | |||
| Circati | Alessandro | 10/10/2003 | 17 | Parma (Youth) | Italy | U18 | Defender | 25/4/21 Started | |||
| Taggart | Adam | 02/06/1993 | 28 | Cerezo Osaka | Japan | (1) J1 League | Forward | Transferred December 2020 | |||
| Langerak | Mitchell | 22/08/1988 | 32 | Nagoya Grampus (ACL) | Japan | (1) J1 League | Goalkeeper | 29/4/21 Started | |||
| Deng | Thomas | 20/03/1997 | 24 | Urawa Reds | Japan | (1) J1 League | Defender | 29/11/20 Started (Last season) | |||
| Delbridge | Harrison | 15/03/1992 | 29 | Incheon United | Korea Rep. | (1) K League 1 | Defender | 25/4/21 Started | |||
| Grant | Alex | 23/01/1994 | 27 | Pohang Steelers (ACL) | Korea Rep. | (1) K League 1 | Defender | 28/2/21 Used sub. (Injured - ankle) | |||
| Antonis | Terry | 26/11/1993 | 27 | Suwon Bluewings | Korea Rep. | (1) K League 1 | Midfielder | 25/4/21 Used sub. | |||
| Davidson | Jason | 29/06/1991 | 29 | Ulsan Hyundai (ACL) | Korea Rep. | (1) K League 1 | Defender | 7/2/21 Started (FIFA Club WC) | |||
| Chapman | Connor | 31/10/1994 | 26 | Daejon Citizen | Korea Rep. | (2) K League 2 | Midfielder | Released February 2021 | |||
| Olsen | Nicholas | 26/09/1995 | 25 | Khaitan SC | Kuwait | (1) Premier League | Midfielder | 26/12/20 SCORED | |||
| Maker | Maker | 01/07/1999 | 21 | FK Atmosfera | Lithunia | (2) 1 Lyga | Midfielder | 23/4/21 Started | |||
| Gallifuoco | Giancarlo | 12/01/1994 | 27 | Kuala Lumpur City | Malaysia | (1) Super League | Defender | 30/4/21 Started | |||
| Lambert | Ryan | 21/09/1998 | 22 | Kuala Lumpur City | Malaysia | (1) Super League | Midfielder | Transferred April 2021 | |||
| Rowley | David | 06/02/1990 | 31 | Penang FA | Malaysia | (1) Super League | Midfielder | 24/4/21 Used sub. | |||
| Cheng | Quentin | 20/11/1999 | 21 | Penang FA | Malaysia | (1) Super League | Defender | 24/4/21 Started | |||
| Herd | Chris | 04/04/1989 | 32 | Terengganu | Malaysia | (1) Super League | Defender | 2/4/21 Unused sub. | |||
| Regan | Taylor | 16/11/1988 | 32 | Sarawak United | Malaysia | (2) Premier League | Defender | 22/3/21 Started | |||
| Marveggio | Andrew | 22/04/1992 | 29 | OFK Petrovac | Montenegro | (1) First League | Midfielder | 1/4/21 Used sub. | |||
| D'Sena | Ryley | 31/01/2003 | 18 | Larne | N. Ireland | (1) Premiership | Defender | 23/4/21 Unused sub. | |||
| Ryan | Dylan | 10/06/2000 | 20 | Willem II (Europa) | Netherlands | (1) Eredivisie | Defender | Loan to Melbourne Victory | |||
| Lambert | Declan | 21/09/1998 | 22 | Den Bosch | Netherlands | (2) Eerste Divisie | Defender | 30/4/21 Unused sub. | |||
| Prinsen | Thomas | 01/05/1999 | 22 | TEC | Netherlands | (3) Tweede Divisie | Midfielder | Transferred February 2021 (effective July '21) | |||
| Cesnik | Valentin | 23/03/1999 | 22 | SC Cambuur | Netherlands | O21 | Midfielder | 4/10/20 SCORED | |||
| Sejean | Lelo | 05/11/1990 | 30 | Club Tacuary | Paraguay | (2) Division Intermedia | Midfielder | Injury - achilles | |||
| Carter | Anthony | 31/08/1994 | 26 | Academico Viseu | Portugal | (2) Segunda Liga | Forward | 25/4/21 Started, SCORED | |||
| Collard | Dylan | 16/04/2000 | 21 | C.S. Maritimo II | Portugal | (3) Campeonato Gr C | Midfielder | 26/4/21 Started | |||
| Silvera | Sam | 25/10/2000 | 20 | AD Sanjoanense | Portugal | (3) Campeonato Gr D | Midfielder | 24/4/21 Started | |||
| Prabakrishnan | Ashvin | 02/03/2001 | 20 | AD Sanjoanense | Portugal | (3) Campeonato Gr D | Forward | Transferred July 2020 | |||
| Choi | Danny | 06/12/1994 | 26 | Real SC De Queluz | Portugal | (3) Campeonato Gr G | Midfielder | 25/4/21 Used sub. | |||
| Ortiz | Presley | 04/05/2003 | 18 | Sporting CP (Youth) | Portugal | Juniores B Serie C | Forward | *Transferred May 2020 (League postponed) | |||
| Hammond | Aydan | 23/12/2003 | 17 | OS Belenenses (Youth) | Portugal | Juniores B Serie D | Forward | *18/2/20 Used sub. (League postponed) | |||
| Gasking | Jaden | 01/01/2005 | 16 | Boavista | Portugal | Juniores U17 | Forward | *Transferred September 2020 (League postponed) | |||
| Teague | Ryan | 24/01/2002 | 19 | FC Famalicao | Portugal | Liga Revelacao U23 | Midfielder | 27/4/21 Started | |||
| Hammond | Tristan | 05/01/2003 | 18 | Sporting CP (Youth) | Portugal | Juniores A Sul | Forward | *22/12/19 Started (League postponed) | |||
| Lowry | Shane | 12/06/1989 | 31 | Al Ahil | Qatar | (1) Stars League | Defender | 9/4/21 Started | |||
| Sanchez | Isaias | 09/02/1987 | 34 | Al-Wakrah SC | Qatar | (1) Stars League | Midfielder | 10/4/21 Started | |||
| Devenish-Meares | Harrison | 27/10/1996 | 24 | FC Rapid 1923 | Romania | (2) Liga II | Goalkeeper | Confirmed March 2021 | |||
| Jones | Brad | 19/03/1982 | 39 | Al Nassr (ACL) | Saudi Arabia | (1) Pro League | Goalkeeper | 17/4/21 Started | |||
| Petratos | Dimi | 10/11/1992 | 28 | Al Wehda (ACL) | Saudi Arabia | (1) Pro League | Midfielder | 17/4/21 Started | |||
| Williams | Rhys | 14/07/1988 | 32 | Al-Qadsiah | Saudi Arabia | (1) Pro League | Defender | 29/4/21 Started | |||
| Duke | Mitch | 18/01/1991 | 30 | Al-Taawoun | Saudi Arabia | (1) Pro League | Forward | Loan to Western Sydney Wanderers | |||
| Goodwin | Craig | 16/12/1991 | 29 | Al-Wehda | Saudi Arabia | (1) Pro League | Midfielder | Loan to Adelaide United | |||
| Rogic | Tom | 16/12/1992 | 28 | Celtic FC (ECL)/(Europa) | Scotland | (1) Premiership | Midfielder | 21/4/21 Used sub. | |||
| Irvine | Jackson | 07/03/1993 | 28 | Hibernian | Scotland | (1) Premiership | Midfielder | 24/4/21 Started, SCORED (Cup) | |||
| Boyle | Martin | 25/04/1993 | 28 | Hibernian | Scotland | (1) Premiership | Midfielder | 24/4/21 Started | |||
| Cummings | Jason | 01/08/1995 | 25 | Dundee FC | Scotland | (2) Championship | Forward | 30/4/21 Started, SCORED TWICE | |||
| Lennox | Aaron | 19/02/1993 | 28 | Montrose FC | Scotland | (3) League One | Goalkeeper | 29/4/21 Unused sub. | |||
| Miller | Murray | 29/01/2002 | 19 | Elgin City | Scotland | (4) League Two | Midfielder | 29/4/21 Unused sub. | |||
| Baynham | William | 13/06/1997 | 23 | Queens Park | Scotland | (4) League Two (PROM) | Forward | 29/4/21 Started | |||
| Degenek | Milos | 28/04/1994 | 27 | Crvena Zvezda (ECL)/(Europa) | Serbia | (1) Super Liga | Defender | 29/4/21 Used sub. | |||
| Jevtic | Joey (Dzoi) | 02/08/2001 | 19 | OFK Beograd | Serbia | (3) Srpska - Belgrade | Midfielder | 24/4/21 Started | |||
| Ricciuto | Blake | 02/09/1992 | 28 | Tanjong Pagar | Singapore | (1) Premier League | Midfielder | 24/4/21 Started | |||
| Baccus | Kearyn | 05/09/1991 | 29 | Kaizer Chiefs (CAFCL) | South Africa | (1) PSL | Midfielder | 28/4/21 Used sub. | |||
| Stamboulidis | Haris | 19/08/1996 | 24 | UP Langreo | Spain | (3) Segunda B Gr 1B | Defender | 24/4/21 Unused sub. | |||
| Mendez | Gian | 21/02/1998 | 23 | Merida AD | Spain | (3) Segunda B Gr 5B | Midfielder | 25/4/21 Used sub. | |||
| Sparacino | Anthony | 13/04/2001 | 20 | Merida AD | Spain | (3) Segunda B Gr 5B | Defender | 3/4/21 Unused sub. | |||
| Mashingaidze | Brian | 17/09/2000 | 20 | Plus Ultra | Spain | (4) Terceda Division Gr 13A | Forward | 18/4/21 Used sub. | |||
| Jimenez | Rafa | 09/04/1996 | 25 | CD Huracan de Balazote | Spain | (4) Terceda Division Gr 18A | Defender | *7/3/21 Used sub. | |||
| Danzo | Isaac Corbacho | 28/03/2000 | 21 | UD Alzira | Spain | (4) Terceda Division Gr 6A | Midfielder | 18/4/21 Started | |||
| Stamoulis | George | 20/03/1999 | 22 | CD Leganes B | Spain | (4) Terceda Division Gr 7B | Forward | 7/2/21 Unused sub. | |||
| Mesourouni | Andrew | 19/12/2000 | 20 | Almagro C.F . | Spain | (4) Terceda Division Gr18A | Midfielder | 21/4/21 Used sub. | |||
| Halfpenny | Cooper | 25/04/2002 | 19 | Aravaca C.F. | Spain | (Y1) Div de Honor Gr 5A | Midfielder | Transferred October 2020 (pending clearance) | |||
| Alonso | Diego | 04/06/2003 | 18 | Albacete Balompie | Spain | (Y1) Div de Honor Gr 7A | Forward | 23/1/21 SCORED | |||
| Hilton | Lachlan | 19/02/2003 | 18 | C.D. Covadonga | Spain | (Y2) Liga Nacional Gr 2B | Forward | Transferred January 2020 | |||
| Caroutas | Thymos | 02/01/2003 | 18 | UE Cornella B | Spain | (Y2) Liga Nacional Gr 7A | Midfielder | 13/3/21 Started | |||
| Tokich | Marc | 12/05/1999 | 22 | Mjallby AIF | Sweden | (1) Allsvenskan | Defender | *7/3/21 Used sub. (Cup) | |||
| Harvey | Aiden | 30/05/1998 | 23 | GAIS | Sweden | (2) Superettan | Defender | *12/8/20 Used sub. (Injury - knee) | |||
| Chipperfield | Liam | 14/02/2004 | 17 | FC Basel | Switzerland | (1) Super League | Midfielder | 10/4/21 Started (U18's) | |||
| O'Neill | Brandon | 12/04/1994 | 27 | Buriram United | Thailand | (1) Thai League 1 | Midfielder | *Released April 2021 | |||
| Creevey | Maxx | 28/04/1995 | 26 | Buriram United | Thailand | (1) Thai League 1 | Defender | *Loan return (Angthong FC) - Jan '21 | |||
| Appiah-Kubi | Kwabena | 19/05/1992 | 29 | NakhonRatchasima | Thailand | (1) Thai League 1 | Midfielder | *Transferred April 2021 | |||
| Curran | Jesse | 16/07/1996 | 24 | NakhonRatchasima | Thailand | (1) Thai League 1 | Midfielder | *28/3/21 Started | |||
| Grommen | Josh | 10/07/1996 | 24 | Sukhothai | Thailand | (1) Thai League 1 | Defender | *28/3/21 Started | |||
| Behich | Aziz | 16/12/1990 | 30 | Kayserispor | Turkey | (1) Super Lig | Defender | 28/4/21 Started | |||
| Balci | Emre | 05/04/1987 | 34 | Iskenderum FK | Turkey | (4) 3. Lig Gr 2 | Midfielder | 14/4/21 Started | |||
| Sozer | Yaren | 19/04/1997 | 24 | Esenler Erokspor | Turkey | (4) 3. Lig Gr 3 | Goalkeeper | 25/4/21 Unused sub. | |||
| Rizzo | Ricardo | 29/08/2000 | 20 | CA Cerro | Uruguay | (1) Primera Division | Goalkeeper | *6/3/21 Unused sub. | |||
| Patterson-Sewell | Caleb | 20/05/1987 | 34 | MLS (Pool) | USA | (1) MLS | Goalkeeper | Transferred July 2020 | |||
| Smith | Brad | 09/04/1994 | 27 | Seattle Sounders | USA | (1) MLS | Defender | 25/4/21 Started, SCORED | |||
| Rose | Andy | 13/02/1990 | 31 | Vancouver Whitecaps | USA | (1) MLS | Midfielder | 24/4/21 Started, SCORED | |||
| Osmond | Mitchell | 11/03/1994 | 27 | OKC Energy FC | USA | (2) USL Championship D | Defender | 25/4/21 Started | |||
| McLean | Lachlan | 28/03/1998 | 23 | Greenville Triumph SC | USA | (3) USL League One | Forward | 25/4/21 Started | |||
| Phelps | Joshua | 10/02/1993 | 28 | Tormenta FC | USA | (3) USL League One | Defender | 25/4/21 Started | |||
| Lo | Martin | 03/09/1997 | 23 | Hai Phong | Vietnam | (1) V. League 1 | Midfielder | 17/4/21 Unused sub. | |||
| Calderbank-Park | Kai | 16/01/2001 | 20 | Connah's Quay | Wales | (1) Premier League | Goalkeeper | 28/4/21 Unused sub. | |||
| Faux | Joe | 08/07/1999 | 21 | Cefn Druids AFC | Wales | (1) Premier League (RELE) | Midfielder | 30/4/21 Started | |||