Sometimes you fear for Neil Warnock. The embattled Cardiff manager is 70 and operates at level 11 all the time; quite how long before the old boy explodes is a worry-ing question. But he was quite right to combust over some appalling refereeing decisions during his Cardiff side’s completely undeserved defeat by Chelsea at the weekend, with a blatantly offside goal being just one of his many justifiable grievances.