Barcelona find themselves in another mess as their managerial situation has taken yet another turn ahead of the summer. Xavi Hernandez did previously announce his intention to leave Barcelona, but he then changed his mind in recent weeks to stay at the club. However, it appears recent comments about the club’s financial situation, as well as the chaos surrounding January signing Vitor Roque, have upset the Barcelona hierarchy, and Xavi may now leave after all. If he does go, Barcelona cannot afford to get his replacement wrong. Barcelona eye up Rafa Marquez and Hansi Flick as Xavi replacementA…