From NICK CAIN at the Principality Stadium

THE Scarlets experiment worked a treat as Wales opened their Six Nations account in scorching style with a four-try bonus point win over an errorriddled Scottish outfit in Cardiff, with 24- point hero Leigh Halfpenny leading the charge.
As the Scarlets contingent of Halfpenny – who scored two tries and goalkicked flawlessly – Gareth Davies and Steff Evans filleted the strongly fancied Scots with scalpel-like finishing, scoring all the Welsh points, the visitors played into Wales coach Warren Gatland’s hands.
Gregor Townsend&rsqu...