West Bromwich Albion starting XI: Johnstone; Furlong, Ivanovic, Ajayi, O’Shea; Phillips, Sawyers, Gallagher, Diangana; Pereira; Robinson.
West Bromwich Albion substitutes: Button, Gibbs, Bartley, Peltier, Krovinovic, Harper, Grosicki, Austin, Diaby.
Arsenal starting XI: Leno; Bellerin, Holding, Mari, Tierney; Ceballos, Xhaka; Saka, Smith Rowe, Aubameyang; Lacazette
Arsenal substitutes: Runarsson, Luiz, Maitland-Niles, Elneny, Willock, Willian, Pepe, Martinelli.
West Bromwich Albion go with Sam Johnstone in goal, behind what appears to be a back four of Darnell Furlong, Branislav Ivanovic, Semi Ajayi and Dara O’Shea.
Romaine Sawyers and Conor Gallagher start in midfield, with Matt Phillips and Grady Diangana on the flanks.
Matheus Pereira starts as the number 10, supporting Callum Robinson in the final third as Karlan Grant misses out.
Ex-Arsenal youngsters Kieran Gibbs and Kyle Bartley are both on the West Brom bench, alongside David Button, Lee Peltier, Filip Krovinovic, Rekeem Harper, Kamil Grosciki, Charlie Austin and Cheikh Diaby.
Arsenal have Bernd Leno between the sticks, with Hector Bellerin, Rob Holding, Pablo Mari and Kieran Tierney across defence.
Granit Xhaka partners Dani Ceballos in midfield, with Bukayo Saka, Emile Smith Rowe and Pierre-Emerick Aubameyang supporting Alexandre Lacazette up top.
That means Gabriel Martinelli is only on the bench, joining Runar Runarsson, David Luiz, Ainsley Maitland-Niles, Mohamed Elneny, Joe Willock, Willian and Nicolas Pepe.
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