Well, his contract expires in June 2021, so he'll be leaving in just under a year.
Despite how the last few years have gone, he's still provided us with some memorable moments and contributed some important assists/goals for us. He was also part of the Arsenal team that ended our 9-year trophy drought. Oh, and he has won 4 FA Cups throughout his entire time at the club, so he's still been an important part of our history.
Here, just in case you've forgot, I'll remind you what these successes look like:
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