Willenborg Bilanz nach Vereinen
| Verein | S | U | N | ||||||
|---|---|---|---|---|---|---|---|---|---|
 | Bayer 04 Leverkusen II | 1 | 1 | 1 | 2 | 10 | 0 | 0 | 4 |
 | Hertha BSC II | 0 | 2 | 0 | 0 | 5 | 0 | 0 | 2 |
 | Chemnitzer FC | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 2 |
 | VfB Lübeck | 0 | 2 | 0 | 0 | 4 | 0 | 0 | 2 |
 | 1. FC Magdeburg | 0 | 1 | 0 | 1 | 4 | 0 | 0 | 2 |
 | Rot Weiss Ahlen | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 1 |
 | SV Werder Bremen II | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 |
 | Borussia Dortmund II | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 1 |
 | Hamburger SV II | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 |
 | 1. FC Köln II | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 |
 | Borussia Mönchengladbach II | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 |
 | Rot-Weiß Oberhausen | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 1 |
 | SC Verl | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 1 |
| Gesamt | 1 | 9 | 3 | 8 | 42 | 2 | 0 | 20 | |