Both Arsenal and Dundalk have named their teams for tonight's UEFA Europa League clash.
The Lilywhites began their group stage campaign with a 2-1 loss to Norwegian side Molde last week and face a much tougher task in London here.
Filippo Giovagnoli has made three changes to the side that played in Tallaght seven days ago, with Andy Boyle, Cameron Dummigan and Patrick McEleney coming into the starting XI for Dundalk.
Meanwhile, Arsenal have went for a mix of youth and experience, with 21-year-old Eddie Nketiah and Reiss Nelson, 20, playing in attack.
Goalkeeper Runar Alex Runarrson is set to make his debut for the Gunners after joining from French side Dijon last month.
Here are the teams in full:
Arsenal: Runarsson; Cedric, Mustafi, Kolasinac, AMN; Willock, Elneny, Xhaka (c); Nelson, Pepe, Nketiah.
Dundalk:
