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Arsenal handed dose of own set-piece medicine by Leverkusen before Havertz aids recovery
Both sides emerge from the tunnel and we are moments away from kick-off. Here is a reminder of how the sides line up tonight:
Bayer Leverkusen: Blaswich, Quansah, Andrich, Terrier, Tapsoba, Poku, Grimaldo, Garcia, Palacios, Maza, Kofane.
Substitutes: Omlin, Lomb, Fernandez, Hofmann, Tillman, Schick, Oermann, Tape, Culbreath.
Arsenal: Raya, Timber, Saliba, Gabriel, Hincapie, Rice, Zubimendi, Eze, Saka, Martinelli, Gyokeres.
Substitutes: Arrizabalaga, Ranson, Mosquera, White, Jesus, Norgaard, Madueke, Havertz, Calafiori, Lewis-Skelly, Dowman, Salmon.