After losing Robin van Persie, this was always going to be a transitional season for Arsenal.
As the campaign has worn on, the shape of the team has evolved considerably. After struggling in the first half of the season, Arsene Wenger has adapted his team to cope better with the many challenges they face.
Even at this late stage of his managerial career, Arsene Wenger is still open to tactical innovation. This season has provided six key lessons to take in to next year.
Go to the next slide to explore the most important tactical observations from 2012-13.