Arsenal: Szczesny, Sagna, Koscielny, Vermaelen, Gibbs, Song, Arteta, Rosicky, Ramsey, Walcott, Van Persie.
Substitutes: Fabianski, Djourou, Santos, Benayoun, Gervinho, Oxlade-Chamberlain, Chamakh.
edit: arsenal.com on twitter posted this line up, arsenal live (which is also official) has ramsey in the starting line up. don't know which to believe.
edit: it seems that ramsey is starting, arsenal.com got it wrong.