Arsenal fans have had to endure many painful departures over the years. Arsene Wenger was the manager of the club for over two decades, and he helped the Gunners sign several incredible players. However, the financial burden of building the Emirates Stadium resulted in a few heartbreaking sales as well because Arsenal just couldn’t financially compete with other big clubs. Ian Wright has now had his say on a few of those departures. Ian Wright says Arsenal selling Robin van Persie was a ‘dagger’Robin van Persie is one of the best strikers to have played for Arsenal. The Dutchman spent eight ye…