Their frustration reached a peak last week when, with their side trailing 1-0 to title rivals Arsenal, taunts of "You don't know what you're doing" rang around Stamford Bridge, along with chants for Mourinho after Grant replaced Claude Makelele and Michael Ballack with Julian Belletti and Nicolas Anelka. It proved a masterstroke, however, as Chelsea fought back to win 2-1 and put themselves very firmly in the title frame.