Kieran Tierney accepts he may have kicked his last ball for Arsenal as he prepares to return to the club at the end of his season on loan at Real Sociedad. The 26-year-old Scotland international left-back has two years remaining on his contract at the Emirates but fell out of favour last season under manager Mikel Arteta and has been limited by injuries to 14 starts during his spell in Spain. In an exclusive interview with The Athletic, Tierney was asked whether it is inevitable he will move on this summer. “There is every chance,” he said. “Look at the squad depth in that...