Arsenal have made a lot of progress in recent years, even if the last few days have been a bitter pill to swallow for Gunners fans. Arsenal did well to reach the Champions League quarter-finals, but Bayern Munich proved too big a hurdle for them at the Allianz Arena. As for their Premier League title hopes, the Gunners now have to hope Manchester City slip up at some point in the next six games. The Gunners board will be eager to strengthen further in summer, and there’s a decent chance we could see numerous signings through the N5 doors. In recent days, Arsenal have been linked with a defende…