The German has been ushered in at Stamford Bridge as a replacement for the former Blues midfielder.
Chelsea have confirmed the appointment of Thomas Tuchel as the club’s new manager.
The Blues moved swiftly to bring in the German following the decision to sack Frank Lampard on Monday.
The 47-year-old will be charged with the task of reviving the fortunes of a side sat in ninth in the Premier League table, with Champions League qualification the likely target for the remainder of the season.
