Steve Nicol believes that Bayern Munich must spend like the big boys in Europe if they want to win another Champions League.
Jurgen Klopp says he considers the Premier League to be a "notch" above the Bundesliga due to its intensity and resources available to English sides.
Borja Mayoral has said that Wolfsburg want to extend his loan deal despite the striker having not played as much as he had anticipated.
Hertha Berlin have said they will hold talks with Liverpool over the possibility of keeping midfielder Allan on loan for another season.
Wolfsburg striker Mario Gomez will wait until the end of the season before deciding his future.
Nagelsmann, 29, has transformed Hoffenheim's fortunes since taking charge of a side deep into the relegation zone in February 2016.