Arsenal have a number of their players at UEFA Euro 2024, and quite a few of them have already been in action in Germany. Declan Rice and Bukayo Saka played for England against Serbia on Sunday, while Jorginho turned out for Italy on Saturday. Jakub Kiwior played for Poland on Sunday, and Kai Havertz starred for Germany against Scotland last Friday evening. Another Arsenal player who has been in action at UEFA Euro 2024 already is Kieran Tierney. Tierney, who spent last season on loan at Real Sociedad, played for Scotland against Germany. The left-back was part of a team that were hammered 5-1…