Defending a worry for United as Fergie has mind on derby

It’s rare that Alex Ferguson’s mind isn’t on the task in hand but that appears the case ahead of tonight’s encounter with CFR Cluj at Old Trafford.

With his side safely through to the Champions League’s knockout stages — and with top spot assured — the visit of the Romanians is almost incidental.

But looking ahead, the wily Scot is scared United’s cartoon defending is going to prove very costly in Sunday’s Manchester derby.