Thomas Tuchel, New Chelsea Head Coach
Former Paris St Germain boss Thomas Tuchel has officially joined Chelsea, the club has confirmed.
The 47-year-old has signed an 18-month contract with the possibility of an extension.
He left the French Champions after two-and-a-half years having guided them to four major honours including and the Champions League final.
Tuchel has also spent seven seasons coaching in the Bundesliga, firstly with Mainz, where he finished in a Europa League spot. He then moved to Borussia Dortmund where he won the German Cup.