Regardless of what happened against Bayern Munich, it was always going to be a summer of change for Arsenal and Mikel Arteta. The club aren’t necessarily at the end of a cycle, but Edu Gaspar has some important work to do in order to ensure that the squad doesn’t become stale. Too many quality players have been on the periphery of things this season, a situation not helping the individual or the club. Fans will hope that Arsenal are in a strong financial position to attack the summer market regardless of who leaves, but outgoing deals will still help. As well as the financial benefits any depa…