| DFB-Pokal 1990/1991 - Appearances as Referee |  |
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| 04/08/1990 | SSV Reutlingen | - | Karlsruher SC | 3:6 aet | 6 | - | - |
| 07/05/1991 | 1. FC Köln | - | MSV Duisburg | 3:0 | 6 | - | 1 |
| DFB-Pokal 1990/1991 - Appearances as Referee | |
|
|
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| 04/08/1990 | SSV Reutlingen | - | Karlsruher SC | 3:6 aet | 6 | - | - |
| 07/05/1991 | 1. FC Köln | - | MSV Duisburg | 3:0 | 6 | - | 1 |
| Complete name: | Dr. Markus Merk |
| Born: | 15/03/1962 |
| Place of birth: |
Kaiserslautern, 
Germany |
| Residence: | Kaiserslautern |
| Nationality: |
Germany |
| Height: | 181 cm |
| Weight: | 69 kg |
| Bundesliga (GER) appearances: | 338 |