| 1. Round | 07/11/2020 | Sunderland AFC | - | Mansfield Town | 0:1 | ||||
| 3. Round | 10/01/2021 | Cheltenham Town | - | Mansfield Town | 2:1 aet |  |
| 1. Round | 07/11/2020 | Sunderland AFC | - | Mansfield Town | 0:1 | ||||
| 3. Round | 10/01/2021 | Cheltenham Town | - | Mansfield Town | 2:1 aet | |
| Corey James John O'Keeffe | |
| Born: | 05.06.1998 |
| Place of birth: |
Birmingham, 
England |
| Nationality: |
Ireland
|
| Height: | 185 cm |
| Weight: | 70 kg |
| Position(s): | Right Midfielder |
| Foot: | right |