| Europa League 2009/2010 - Appearances as Assistant | ||||
| 05/11/2009 | AS Roma | - | Fulham FC | 2:1 |
| 18/02/2010 | Villarreal CF | - | VfL Wolfsburg | 2:2 |
| 18/03/2010 | Werder Bremen | - | Valencia CF | 4:4 |
| Europa League 2009/2010 - Appearances as Assistant | ||||
| 05/11/2009 | AS Roma | - | Fulham FC | 2:1 |
| 18/02/2010 | Villarreal CF | - | VfL Wolfsburg | 2:2 |
| 18/03/2010 | Werder Bremen | - | Valencia CF | 4:4 |
| Complete name: | Nicky Siebert |
| Born: | 29/12/1969 |
| Place of birth: |
Netherlands |
| Nationality: |
Netherlands |