Reports are out claiming that Jurgen Klopp is ready to leave Borussia Dortmund at the end of the season.
BILD says the 47-year-old manager believes he has taken the Bundesliga club as far as he can and wants a new challenge.
The club have called a press conference for Wednesday at 12.30pm.
The news will have Arsenal and Manchester City, among others, on alert.
Although Klopp is contracted to Dortmund until 2018, he is understood to be exhausted following a difficult season in which the club have flirted with relegation.