| Youth Bundesliga West 2008/2009 - Appearances as Referee |  |
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| 09/11/2008 | 1. FC Köln | - | Arminia Bielefeld | 3:2 | - | - | - |
| Youth Bundesliga West 2008/2009 - Appearances as Referee | |
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| 09/11/2008 | 1. FC Köln | - | Arminia Bielefeld | 3:2 | - | - | - |
| Complete name: | Detlef Thomßen |
| Born: | 14/05/1965 |
| Place of birth: |
Germany |
| Nationality: |
Germany |
| Height: | 172 cm |
| Weight: | 69 kg |