He resigned from Red Bull in 2020, with a reported move to failing during negotiations.
Hence, here's a look at who is Ralf Rangnick, the person who is nicknamed as 'The Professor of Football' by some.
Ron hurt his knee after his penalty winner in Thursday's 2-1 defeat of Arsenal.
German fans didn't like it, especially since it went against the 50+1 ownership business model.
I am excited to work with the players we have here.
Rangnick finished with a record of 36 wins, 16 draws and 34 losses.
The German media nicknamed him the 'German Professor', probably unfairly and with derision.