Arsenal play the first of three matches in seven days as they host
Tony Pulis' West Brom side.
Arsene Wenger starts Alexis Sanchez alongside Alexandre Lacazette for
the first time, while Mesut Ozil is on the bench after recovering from
injury.
Full Teams:
Arsenal:
Cech, Koscielny, Mustafi, Monreal, Bellerin, Xhaka, Elneny, Kolasinac,
Ramsey, Alexis, Lacazette
Subs: Ospina, Mertesacker, Ozil, Wilshere, Maitland-Niles, Walcott, Giroud
West Brom:
Foster, Nyom, Gibbs, Evans, Dawson, Robson-Kanu, Livermore, Barry,
Rodriguez, Krychowiak, Hegazi
Subs: Myhill, Morrisson, Rondon, Yacob, Phillips, Brunt, McClean