By Toby Cudworth Former Barcelona midfielder Ivan Rakitic says a lack of experience in Xavi’s squad is a factor in their downturn this season. The Catalan giants cantered to a 27th La Liga crown last season, seeing off arch-enemies Real Madrid by ten points, but have been well below their best this time around. Performances have been so bad that Xavi has already declared his intention to leave the club in the summer, citing the need for a “change of dynamic”. Barca are highly unlikely to retain their title, sitting five points behind Madrid having played a game more, though they do have an out…