| Champions League 2021/2022 - Appearances as Assistant | ||||
| 08/12/2021 | SL Benfica | - | Dinamo Kiev | 2:0 |
| Champions League 2021/2022 - Appearances as Assistant | ||||
| 08/12/2021 | SL Benfica | - | Dinamo Kiev | 2:0 |
| Complete name: | Markus Sinn |
| Born: | 02/02/1979 |
| Place of birth: |
Germany |
| Residence: | Filderstadt |
| Nationality: |
Germany |
| Club: | SpVgg Stuttgart-Ost |