Aiden O'Brien History
| Clubs | Country | Position | NO | From | To | Loan |
|---|---|---|---|---|---|---|
 Millwall | England | Forward | 30 | 01/07/2011 | 01/08/2020 | |
 Crawley Town | England | Forward | 19 | 17/02/2013 | 28/04/2013 | Y |
 Torquay United | England | Forward | 29/01/2014 | 28/02/2014 | Y | |
 Sunderland | England | Forward | 01/08/2020 | 31/01/2022 | ||
 Portsmouth | England | Forward | 31/01/2022 | 01/07/2022 | ||
 Shrewsbury Town | England | Forward | 01/07/2022 | |||
 Gillingham | England | Forward | 31/01/2023 | 30/06/2023 | Y | |
Sutton United | England | Forward | 01/08/2023 | Y |
| Country | Position | From | To |
|---|---|---|---|
 Republic of Ireland | Forward | 01/10/2017 |
NO = Player number .