Former Chelsea midfielder Eddie Newton is returning to the club to help caretaker manager Roberto di Matteo.
Newton has revealed the call to help save Chelsea's season came "totally out of the blue".
"The ambition is to get into fourth place and we will push as hard as possible.
"Every game is very important between now and the end of the season."
He added: "I can't talk about what has been done before, but I am Chelsea through and through and we want that drive and that will to win, and when we get that, it becomes a habit again."He told Sky Sports News: "It was totally out of the blue. It's been a blur to be honest with you.