Arsenal starting XI: Leno; Chambers, Holding, Gabriel, Tierney; Xhaka, Partey; Pepe, Odegaard, Smith Rowe; Aubameyang.
Arsenal substitutes: Runarsson, Mari, Cedric, Elneny, Ceballos, Saka, Martinelli, Nketiah, Lacazette.
Brighton and Hove Albion starting XI: Sanchez; White, Webster, Dunk; Gross, Moder, Bissouma, Burn; Mac Allister; Jahanbakhsh, Trossard.
Brighton and Hove Albion substitutes: Steele, McGill, Karbownik, Connolly, Lallana, Alzate, Tau, Caicedo, Zeqiri.
Arsenal go with Bernd Leno in goal behind a back four of Calum Chambers, Rob Holding, Gabriel Magalhaes and Kieran Tierney.
Granit Xhaka returns to the side and partners Thomas Partey in midfield, with Martin Odegaard also coming back in for Bukayo Saka.
Odegaard joins Nicolas Pepe and Emile Smith Rowe in supporting Pierre-Emerick Aubameyang in attack as Gabriel Martinelli is only on the bench.
Runar Runarsson, Pablo Mari, Cedric Soares, Mohamed Elneny, Dani Ceballos, Saka, Eddie Nketiah and Alexandre Lacazette make up the rest of the substitutes.
Brighton have Robert Sanchez between the sticks, with three centre backs – Ben White, Lewis Dunk and Adam Webster – ahead of him.
Pascal Gross and Dan Burn are the wing backs, with Jakub Moder and Yves Bissouma in the middle, whilst Alexis Mac Allister will play behind Alireza Jahanbakhsh and Leandro Trossard.
Moises Caicedo makes the bench for the Seagulls, joining Luke Steele, Tom McGill, Michal Karbownik, Aaron Connolly, Adam Lallana, Steven Alzate, Percy Tau and Andi Zeqiri.
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