This summer looks to be one of turmoil at Arsenal—a good kind of turmoil, with talented new arrivals being brought in unusually early, but change will always breed more change.
Some signings add squad depth, while others replace departing players. In any case, every new player takes the playing time of another. Therefore, with several additions, there will be some turnover.
Multiple players are still to be inked, but let's take a look at who Arsene Wenger might sell to make room.