Wales’ Dan Biggar admits more than trickery needed to beat Ireland

• Biggar’s daring flick through legs helps to thrash Italy• ‘We know we’ll be tested more in Dublin,’ says No 10When Wayne Pivac succeeded Warren Gatland as Wales head coach and said his priority was to sharpen an attack whose main weapon was a bludgeon, few would have anticipated Dan Biggar turning into a latter‑day Carlos Spencer and becoming a master of invention.Biggar was a personification of the Gatland era – a competitive, aggressive fly-half who developed into the leading kick-and-chase No 10 in Test rugby – but the arrival of Pivac after last year’s World Cup was not the culture shock…