The 44-year-old is focused on maintaining ‘emotional control’ and a slew of sensible signings offer genuine hope It is a necessary reset. Although it would be pushing it to say that Chelsea have switched from development centre to retirement home, even after the signings of Jordan Henderson and Danny Welbeck, there has been a clear shift in strategy this summer. Some grownups are in the room at last and, for Xabi Alonso, the hope is that bringing in more experience will help a squad still packe…