John O'Sullivan History
| Clubs | Country | Position | NO | From | To | Loan |
|---|---|---|---|---|---|---|
 Blackburn Rovers | England | Midfielder | 44 | 01/01/2013 | 30/01/2017 | |
 Accrington Stanley | England | Midfielder | 19/09/2014 | 21/12/2014 | Y | |
 Barnsley | England | Midfielder | 19/02/2015 | 22/03/2015 | Y | |
 Rochdale | England | Midfielder | 26/11/2015 | 26/12/2015 | Y | |
 Bury | England | Midfielder | 15/01/2016 | 09/05/2016 | Y | |
Accrington Stanley | England | Midfielder | 08/08/2016 | 08/01/2017 | Y | |
 Carlisle United | England | Midfielder | 30/01/2017 | 12/06/2018 | ||
Carlisle United | England | Midfielder | 30/01/2017 | 29/01/2017 | Y | |
 Blackpool | England | Midfielder | 12/06/2018 | 02/07/2019 | ||
 Dundee | Scotland | Midfielder | 31/01/2019 | 20/05/2019 | Y | |
Morecambe | England | Midfielder | 02/07/2019 | 01/07/2021 | ||
Accrington Stanley | England | Midfielder | 01/07/2021 | 01/07/2022 |
NO = Player number .