Arsenal have not had the best of luck in recent years when it comes to selling players for actual money, with a number of players leaving north London for nothing. The likes of Mesut Ozil, Pierre Emerick-Aubameyang and Alexandre Lacazette are just a few of the high-profile names who Arsenal signed for big money only to allow them to leave for nothing for one reason or another. Indeed, this trend extends to many more player categories, such as academy graduates and club icons who made a real lasting impact at Arsenal before being let go for pennies or sometimes even nothing at the end of a seas…