| Name | Age | Position | Nationality |
|---|---|---|---|
| Kasper Schmeichel | 38 | Goalkeeper | Denmark |
| Scott Bain | 33 | Goalkeeper | Scotland |
| Viljami Sinisalo | 23 | Goalkeeper | Finland |
| Cameron Carter-Vickers | 27 | Defence | USA |
| Anthony Ralston | 26 | Defence | Scotland |
| Greg Taylor | 27 | Defence | Scotland |
| Auston Trusty | 26 | Defence | USA |
| Liam Scales | 26 | Defence | Ireland |
| Alistair Johnston | 26 | Defence | Canada |
| Maik Nawrocki | 23 | Defence | Poland |
| Adam Montgomery | 22 | Defence | Scotland |
| Dane Murray | 21 | Defence | Scotland |
| Colby Donovan | 18 | Defence | Scotland |
| James McCarthy | 34 | Midfield | Ireland |
| James Forrest | 33 | Midfield | Scotland |
| Callum McGregor | 31 | Midfield | Scotland |
| Luke McCowan | 27 | Midfield | Scotland |
| Paulo Bernardo | 22 | Midfield | Portugal |
| Luis Palma | 25 | Midfield | Honduras |
| Odin Holm | 22 | Midfield | Norway |
| Hyun-jun Yang | 22 | Midfield | South Korea |
| Francis Turley | 19 | Midfield | Northern Ireland |
| Jude Bonnar | 19 | Midfield | Scotland |
| Daizen Maeda | 27 | Offence | Japan |
| Kyogo Furuhashi | 30 | Offence | Japan |
| Nicolas Kühn | 25 | Offence | Germany |
| Adam Idah | 23 | Offence | Ireland |
| Reo Hatate | 27 | Offence | Japan |
| Johnny Kenny | 21 | Offence | Ireland |
| Daniel Cummings | 18 | Offence | Scotland |
| Alex Valle | 20 | Left-Back | Spain |
| Arne Engels | 21 | Central Midfield | Belgium |