| Relegation Bundesliga 2012/2013 - Appearances as Assistant | ||||
| 27/05/2013 | 1. FC Kaiserslautern | - | 1899 Hoffenheim | 1:2 |
| Relegation Bundesliga 2012/2013 - Appearances as Assistant | ||||
| 27/05/2013 | 1. FC Kaiserslautern | - | 1899 Hoffenheim | 1:2 |
| Complete name: | Frank Willenborg |
| Born: | 10/02/1979 |
| Place of birth: |
Germany |
| Residence: | Osnabrück |
| Nationality: |
Germany |
| Profession: | Realschullehrer |
| Club: | SV Gehlenberg |
| Height: | 188 cm |
| Weight: | 82 kg |
| Bundesliga (GER) appearances: | 88 |