| Premier League 2021 Relegation - Appearances as Assistant | ||||
| 14/05/2021 | Glenavon FC | - | Warrenpoint Town | 4:0 |
| 29/05/2021 | Glenavon FC | - | Dungannon Swifts | 1:1 |
| Premier League 2021 Relegation - Appearances as Assistant | ||||
| 14/05/2021 | Glenavon FC | - | Warrenpoint Town | 4:0 |
| 29/05/2021 | Glenavon FC | - | Dungannon Swifts | 1:1 |
| Complete name: | Mark O'Brien |
| Born: | |
| Place of birth: |
Northern Ireland |
| Nationality: |
Northern Ireland |