Bruno Guimaraes and long-term target Douglas Luiz are also of interest
Feyenoord will demand significant compensation for the man who guided the Dutch club to their first title in six years.
Austria manager Ralf Rangnick confirmed he was in talks with Bayern Munich to become the club's head coach in the summer. Rangnick did not reveal whether he would take the Bayern job, saying he was "focused" on coaching the Austria side into this summer's Euros in Germany.
The former Manchester United manager will take charge of Austra at Euro 2024