And Dortmund have blitzed their Bundesliga rivals by striking an agreement with Reinier and Madrid.
The deal will see Reinier join BVB on a one-year loan with an option of an automatic renewal for a second year.
Bruno Andrade of Goal adds that the contract has already been signed.
A move to Germany will be beneficial for Reinier’s development, both on a tactical and technical level.
Real Valladolid, owned by Brazil legend Ronaldo, also showed interest in loaning Reinier.