Mikel Arteta insists there are "things that are not resolved" after the Arsenal boss was quizzed on Kieran Tierney's seemingly imminent move to Real Sociedad.
The former Celtic full back - linked with an emotional return to Parkhead once his Gunners future was thrown into doubt this summer - appears to be on the brink of a switch to Spain's La Liga.
Arsenal want to sell the 26-year-old Scotland star to rake back some of the £25 million they shelled out to sign him from the Hoops.
Real Sociedad are looking for a loan but the deal could be structured to ensure there is an obligation to buy at the end of the loan.
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