Arsenal have plenty of business to do in the summer transfer window. The Gunners will want to go up yet another level this summer and challenge seriously for the Champions League next season, and in order to do that, they need to slightly reshape their squad. We’ve heard plenty about Arsenal needing a new midfielder or a new striker this summer, but speaking on the Premier League All Access Podcast, Adrian Clarke has stated that the Gunners’ first piece of business should be a sale. Arsenal’s first piece of summer businessClarke spoke about what Arsenal should do this summer, claiming that sel…