by James Daly
Jose Mourinho may have let slip to Borussia Dortmund manager Jurgen Klopp that he is returning to Chelsea, according to German press.
Newspaper Bild is reporting that the Real Madrid manager told his counterpart he is heading back to Stamford Bridge after his side lost 4-1 to Klopp's men on Wednesday night.
Mourinho's side were stunned during their Champions League semi-final first leg at the Westfalenstadion thanks in part
, who the
.
The former Blues manager, who led the club to two Premier league titles between 2004 and 2007, is already reportedly building his Chelsea squad -
- and Dortmund's Polish striker top of his wish list.