Nursing bruised egos and muscles the Blues are on a mission to repair the damage inflicted on them at Newcastle on Sunday.
It won't be clear untill tomorrow the magnitude of the injuries to Gallas and Duff.
By then Chelsea will have to have a plan to counter Barcelona.
Jose Mourinho remains pragmatic about the game.
He said: "The medical department will try to do everything to recover Gallas and Duff. We will have to wait and see, but I won't cry about injuries because we will have 11 players to play on Wednesday."