| Youth Bundesliga Nord/Nordost 2013/2014 - Appearances as Assistant | ||||
| 14/09/2013 | Hamburger SV | - | Werder Bremen | 2:3 |
| 21/09/2013 | Hansa Rostock | - | 1. FC Union Berlin | 0:0 |
| 25/03/2014 | Hansa Rostock | - | FC St. Pauli | 4:3 |
| Youth Bundesliga Nord/Nordost 2013/2014 - Appearances as Assistant | ||||
| 14/09/2013 | Hamburger SV | - | Werder Bremen | 2:3 |
| 21/09/2013 | Hansa Rostock | - | 1. FC Union Berlin | 0:0 |
| 25/03/2014 | Hansa Rostock | - | FC St. Pauli | 4:3 |
| Complete name: | Björn Maertens |
| Born: | 09/08/1989 |
| Place of birth: |
Germany |
| Residence: | Braunschweig |
| Nationality: |
Germany |
| Profession: | Student |
| Club: | VfL Bienrode |
| Height: | 176 cm |