| Youth B Bundesliga Süd/Südwest 2009/2010 - Appearances as Referee |  |
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| 01/05/2010 | Bayern München | - | 1899 Hoffenheim | 2:2 | 3 | - | - |
| Youth B Bundesliga Süd/Südwest 2009/2010 - Appearances as Referee | |
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| 01/05/2010 | Bayern München | - | 1899 Hoffenheim | 2:2 | 3 | - | - |
| Complete name: | Markus Sinn |
| Born: | 02/02/1979 |
| Place of birth: |
Germany |
| Residence: | Filderstadt |
| Nationality: |
Germany |
| Club: | SpVgg Stuttgart-Ost |