| Youth B Bundesliga West 2008/2009 - Appearances as Referee |  |
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| 31/08/2008 | 1. FC Köln | - | Preußen Münster | 3:0 | 1 | - | - |
| Youth B Bundesliga West 2008/2009 - Appearances as Referee | |
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| 31/08/2008 | 1. FC Köln | - | Preußen Münster | 3:0 | 1 | - | - |
| Complete name: | Karl-Markus Schumacher |
| Born: | 09/12/1980 |
| Place of birth: |
Germany |
| Nationality: |
Germany |