Stuart Lancaster: Owen Farrell must excel to take England No10 shirt

• George Ford became first choice after impressive Six Nations• ‘Owen’s going to have to go over and beyond Ford,’ Lancaster saysStuart Lancaster insists Owen Farrell must excel during the World Cup warm-up matches if he is to displace George Ford as England’s fly-half.Ford took advantage of Farrell’s injury-enforced absence during the 2015 Six Nations by bringing a new dimension to England’s attacking game and remains the incumbent in the position. Related: England’s Stuart Lancaster coy on Sam Burgess’ World Cup inclusion Related: England’s Stuart Lancaster gives hints over World Cup select…