| Champions League 2020/2021 - Appearances as Referee |  |
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 |
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| 27/10/2020 | FC Porto | - | Olympiakos Piraeus | 2:0 | 4 | - | - |
| 24/11/2020 | Juventus | - | Ferencvárosi TC | 2:1 | 3 | - | - |
| Champions League 2020/2021 - Appearances as Referee | |
|
|
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| 27/10/2020 | FC Porto | - | Olympiakos Piraeus | 2:0 | 4 | - | - |
| 24/11/2020 | Juventus | - | Ferencvárosi TC | 2:1 | 3 | - | - |
| Complete name: | Daniel Siebert |
| Born: | 04/05/1984 |
| Place of birth: |
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | Sportwissenschaftler |
| Club: | FC Nordost Berlin |
| Height: | 191 cm |
| Weight: | 81 kg |
| Bundesliga (GER) appearances: | 185 |