Six Nations: Scotland’s John Barclay banks on his local knowledge of Wales

• Flanker becomes eighth Wales-based player to captain Scots against Welsh• Scotland still in position to lift Triple Crown after early defeat of IrelandScotland’s new captain, John Barclay, will have spent less time with the side’s analysts this week as he prepares to become the eighth player to lead his country against Wales while playing for a Welsh club when he leads out his side at Murrayfield on Saturday.Barclay, a flanker with the Scarlets and a colleague of the Wales forwards Rob Evans, Ken Owens and Jake Ball, takes over as Scotland’s captain from Greig Laidlaw, who suffered an ankle …