 Complete the following phrase:  The two teams have met in the 2017 FA Cup Final, where Arsenal won their record 13th FA Cup trophy by defeating Chelsea 21. Arsenal repeated the feat in the 2017 FA Community Shield, winning 41 on penalties after the match ended 11. It was also the first time the ABBA penalty taking system has been used by The Football Association. On 29 May 2019, the two teams met in their first-ever European final, doing so in the 