moyes, grayson, CC... three managers and you could say three entirely different managers, all managed pretty similar results with players that 'should be doing better', then look at the schoolboy errors the team has made over the past seasons, giving the ball away, making the wrong decisions, unable to defend etc, the team/club itself needs a massive revamp before anything will change regardless of the manager and this is why i feel another managerial change will show little to no benefit unless new owners come in and have some cash for the rebuild.
CC has made mistakes, imho he should have stuck with getting more clean sheets before trying to sort the attack side out to gain a more confident defence, he should not have stuck with his '5 at the back' for as long as he did but he had less to work with than the other two i mentioned and in all honesty, bar the burton second half, the team has actually looked improved in recent games.