Spanish defender Marc Bartra was injured in the blast, and underwent wrist surgery on Tuesday evening
German police have detained a suspect following Tuesday night's explosion near Borussia Dortmund's team bus.
The "Islamist" suspect is being held after three explosions detonated near the team bus as it was travelling to Signal Iduna Park for a Champions League quarter-final match against Monaco.
A spokeswoman for Germany's federal state prosecutor in Karlsruhe, Frauke Koehler, said: "Two suspects from the Islamist spectrum have become the focus of our investigation. Both of their apartments were searched, and one of the two has been detained.