Borussia will not train in Madrid due to tracking concerns.
The Dortmund club will host Real Madrid in the third round of the general round of the Champions League. The meeting will take place on October 22.
As Bild reported, for the first time in "Borussia," they refused training on the opponent's field before the game. Head coach Nouri Şahin is believed to fear being watched.
The Dortmund players will train at their training ground in Germany before going to the capital of Spain.
