Xabi Alonso wants assurances on the ability to build a project, if he is to become the next permanent Chelsea manager. The 44-year-old has become the favourite for the role at Stamford Bridge, with some progress having been made over the past week. Alonso is understood to see many attractive elements in the job, with the Independent reporting last week that he feels the squad largely fits his approach and football philosophy. Having in February left a Real Madrid role hampered by player power and wider problems, however, the former midfielder naturally wants to take care to ensure he doesn't find himself in a similar situation. The modern Chelsea is obviously a very different club, but Alonso's camp are naturally aware of perceptions of how the football side has been run and the relatively short periods that both Enzo Maresca and especially Liam Rosenior spent at the club. In response to those concerns, Chelsea would point to extenuating circumstances with both.…