One of the best? Surely you jest? His touch, yes, can be genius at times, the odd telling through ball & brings a balance to the side, but, his primary role is to defend & that's where his game is lacking & now injuries have caught up with him.
The Scotland chat is a red herring given the shoehorning of mould firm right backs into the left back berth as history suggests - I still doubt he could have disposed of any.