Chelsea boss Jose Mourinho admits their defeat at Aston Villa yesterday was partly down to the shock injury suffered on Friday by Frank Lampard.
He said: "We lost Lampard on Friday after training - not during group training but in individual work after that.
"So all the work we did in the week we had to forget it and try to organise the team on Saturday. I don't lose many matches and it is more difficult to live with defeat when you are not used to it."