"I felt that I was ultimately left with little choice but to make the decision that I have due to purely footballing reasons," he wrote on social media.
Wilshere made his debut for the gunners in 2008 and has made 197 first-team appearances. During that time, he suffered a number of injuries at the Emirates that kept him off the pitch for the better part of his Arsenal career.
With the arrival of new head coach Unai Emery in May, Wilshere’s stay at Arsenal became more doubtful despite having a contract offer on the table.
A number of Premier League clubs will be eager to secure the services of the England International on a free transfer with Crystal Palace, West Ham United, newly promoted side Wolves as well as Italian side Sampdoria among many others reportedly interested.