Arsenal step up transfer interest in Kieran Tierney as Unai Emery targets Celtic star to replace ageing Nacho Monreal

ARSENAL have stepped up transfer their interest in Kieran Tierney to replace ageing left-back Nacho Monreal. Unai Emery is convinced the young Scot, 22, can make the step-up to the Premier League and add some much needed full-back talent...