Roman Abramovich installed Grant, the former Israel manager as director of football.
And now Grant will move from the back of Chelsea's dug-out to the front and with Steve Clarke as his number two (for now) and try to prepare the side for the trip to Manchester United on Sunday.
Officially Jose left by nutual consent.
That's lawyer-speak for saying massive compensation has been agreed for Mourinho with the result that he won't be allowed to make any public comment surrounding his departure for at least two years.
So it's goodbye Jose, two Premier League Championships, two Carling Cups and one FA Cup and hello Grant,