| Youth Bundesliga West 2014/2015 - Appearances as Referee |  |
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 |
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| 09/05/2015 | MSV Duisburg | - | Bor. Mönchengladbach | 1:3 | 2 | - | - |
| Youth Bundesliga West 2014/2015 - Appearances as Referee | |
|
|
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| 09/05/2015 | MSV Duisburg | - | Bor. Mönchengladbach | 1:3 | 2 | - | - |
| Complete name: | Mario Heller |
| Born: | 24/03/1989 |
| Place of birth: |
Germany |
| Residence: | Köln |
| Nationality: |
Germany |
| Club: | SV Westhoven-Ensen 1931 |