Wales’s Warren Gatland calls Dan Biggar recovery ‘miraculous’

• Biggar overcomes Six Nations ankle injury picked up against Ireland• Scotland coach Vern Cotter wants improvement in all areasWarren Gatland feared Dan Biggar would be out for a month when the fly-half left the pitch in Dublin on Sunday with his left leg in a protective boot but Wales’s best player of the World Cup will start against Scotland at the Principality Stadium on Saturday having made a rapid return to fitness that surprised the medical team.“Dan has made a miraculous recovery and the boys are calling him Lazarus,” said the Wales coach after naming an unchanged side. “He was a bit s…