| Youth Bundesliga Nord/Nordost 2013/2014 - Appearances as Assistant | ||||
| 19/10/2013 | VfL Osnabrück | - | Hamburger SV | 0:1 |
| Youth Bundesliga Nord/Nordost 2013/2014 - Appearances as Assistant | ||||
| 19/10/2013 | VfL Osnabrück | - | Hamburger SV | 0:1 |
| Complete name: | David Markus Koj |
| Born: | 26/09/1993 |
| Place of birth: |
Germany |
| Residence: | Wegberg |
| Nationality: |
Germany |
| Profession: | Beisitzer |
| Club: | SC Wegberg 1912 |