| Youth B Bundesliga Süd/Südwest 2013/2014 - Appearances as Assistant | ||||
| 22/09/2013 | 1. FC Kaiserslautern | - | Bayern München | 2:2 |
| Youth B Bundesliga Süd/Südwest 2013/2014 - Appearances as Assistant | ||||
| 22/09/2013 | 1. FC Kaiserslautern | - | Bayern München | 2:2 |
| Complete name: | David Markus Koj |
| Born: | 26/09/1993 |
| Place of birth: |
Germany |
| Residence: | Wegberg |
| Nationality: |
Germany |
| Profession: | Beisitzer |
| Club: | Sportclub Wegberg 1912 |