Arsenal outcast Kieran Tierney is facing an uncertain future, and needs a strong Euro 2024 campaign with Scotland to help his reputation. Tierney looks set to leave Arsenal in the summer window, having spent the season on loan at Real Sociedad, who elected not to keep him as a result of his ongoing injury problems. A strong campaign with Scotland could have increased transfer interest in him and given Tierney a confidence boost, but his side got off to the worst possible start as they were thrashed 5-1 by Germany in the opening game. The Arsenal ace was far from the worst performer, but fans h…