Monaco marked their return to the UEFA Champions League with a statement 2-1 win over Barcelona. Leverkusen impressed as they scored four at Feyenoord to get their campaign off to the best possible start. Meanwhile, a superb David Raya double save from Mateo Retegui’s penalty ensured the game between Atalanta and Arsenal finished goalless. Benfica and Atletico de Madrid both secured 2-1 wins, whilst Brest also clinched victory against Sturm Graz in their very first European game. We hear from Arsenal goalkeeper David Raya, Atalanta star Charles de Ketelaere, Barcelona boss Hansi Flick, Leverkusen wing-back Jeremie Frimpong and his head coach Xabi Alonso as well as Feyenoord coach Brian Priske.