| Europa League Qual. 2008/2009 - Appearances as Assistant | ||||
| 28/08/2008 | MŠK Žilina | - | Slovan Liberec | 2:1 |
| Europa League Qual. 2008/2009 - Appearances as Assistant | ||||
| 28/08/2008 | MŠK Žilina | - | Slovan Liberec | 2:1 |
| Complete name: | Frank Willenborg |
| Born: | 10/02/1979 |
| Place of birth: |
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| Residence: | Osnabrück |
| Nationality: |
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| Profession: | Realschullehrer |
| Club: | SV Gehlenberg |
| Height: | 188 cm |
| Weight: | 82 kg |
| Bundesliga (GER) appearances: | 99 |