The delay could be in Chelsea's favour. They were due to play Man U after a string of 6 games without a win. A delay in fulfilling this fixture could work out better for the Pensioners. Who knows? Rooney may well be recovering from his post-World cup malaise revived by the thoughts of the extra millions from his new contract and run into form. Lampard was due to return to the starting line-up for Chelsea but may need more time to get up to speed.
Have a listen and see if you can understand what the job was supposed to be: http://news.bbc.co.uk/sport2/hi/football/football_focus/9301935.stm