| Regionalliga West 2017/2018 - Appearances as Assistant | ||||
| 25/03/2018 | KFC Uerdingen 05 | - | Viktoria Köln | 1:1 |
| Regionalliga West 2017/2018 - Appearances as Assistant | ||||
| 25/03/2018 | KFC Uerdingen 05 | - | Viktoria Köln | 1:1 |
| Complete name: | David Markus Koj |
| Born: | 26/09/1993 |
| Place of birth: |
Germany |
| Residence: | Wegberg |
| Nationality: |
Germany |
| Profession: | Beisitzer |
| Club: | SC Wegberg 1912 |