Riccardo Calafiori made his Arsenal debut as the Gunners used their set-piece prowess to beat Lyon 2-0 in their final pre-season encounter and lift the Emirates Cup.
Barcelona retained the Women's Champions League as goals from Aitana Bonmati and Alexia Putellas secured a 2-0 win over Lyon.
Lyon advanced to the Women's Champions League semi-finals for a record 13th time after a 4-1 win over Benfica on Wednesday.
Donny van de Beek marked his first Manchester United appearance since January with a superb volleyed winner as Erik ten Hag's side beat Lyon 1-0 at Murrayfield.
Chelsea have signed Lyon right-back Malo Gusto for £26.3m, with the 19-year-old spending the rest of the season back in France on loan.
Arsenal opened their Champions League group campaign with a 5-1 thrashing of holders Lyon in France.