Why are Dortmund struggling away from home this season?
The club's loyal travelling supporters have faced defeat far too often on the road already this season. But what's behind BVB's away-day issues?
M05 Mainz Mainz - BVB Dortmund Borussia Dortmund
Burkardt and Mainz dare to dream
The fresh Germany international striker is fit again and on course for a fine season as captain of an impressive Mainz outfit - as his goal in the 3-1 win over Dortmund showed.
Magnificent Mainz add to Dortmund's away blues
Jae-sung Lee and Jonathan Burkardt starred as Mainz capitalised on Emre Can's early dismissal to claim their first home win of the season.