SUBS: Bernd Leno, Hector Bellerin, Alexandre Lacazette, Dani Ceballos, Kieran Tierney, Pierre-Emerick Aubameyang, Gabriel Magalhaes, Thomas Partey, Bukayo Saka, Folarin Balogun, Willian, Karl Hein.
ARSENAL (4-3-3): Runar Alex Runarsson; Ainsley Maitland-Niles, Sead Kolasinac, Shkodran Mustafi, Cedric Soares; Granit Xhaka, Mohamed Elneny, Joe Willock; Nicolas Pepe, Eddie Nketiah, Reiss Nelson.
Mikel Arteta’s Gunners are top of the group after one game, after they came from behind to beat Rapid Vienna 2-1 last time out. Filippo Giovagnoli’s Dundalk side are third after losing at home to Molde by the same scoreline.
Hello and welcome to our live coverage of this Europa League fixture, as Arsenal welcome Dundalk to the Emirates Stadium in Group B.