| FA Cup 2012/2013 - Appearances as Assistant | ||||
| 01/12/2012 | Crawley Town | - | Chelmsford City | 3:0 |
| FA Cup 2012/2013 - Appearances as Assistant | ||||
| 01/12/2012 | Crawley Town | - | Chelmsford City | 3:0 |
| Complete name: | John O'Brien |
| Born: | |
| Place of birth: |
England |
| Nationality: |
England |