| Regionalliga West/Südwest (1994-2000) 1997/1998 - Appearances as Referee |  |
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| 06/09/1997 | 1. FC Saarbrücken | - | Sportfreunde Siegen | 2:1 | 3 | - | - |
| 26/10/1997 | Rot-Weiß Oberhausen | - | Wuppertaler SV | 3:1 | 4 | - | - |
| 08/03/1998 | Rot-Weiß Oberhausen | - | LR Ahlen | 2:2 | 4 | - | 1 |
| Regionalliga West/Südwest (1994-2000) 1997/1998 - Appearances as Referee | |
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| 06/09/1997 | 1. FC Saarbrücken | - | Sportfreunde Siegen | 2:1 | 3 | - | - |
| 26/10/1997 | Rot-Weiß Oberhausen | - | Wuppertaler SV | 3:1 | 4 | - | - |
| 08/03/1998 | Rot-Weiß Oberhausen | - | LR Ahlen | 2:2 | 4 | - | 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 |