Arsenal boss Mikel Arteta has made two changes for the game at The Hawthorns – where it has been snowing – with Dani Ceballos and Alexandre Lacazette coming into the side.
They replace Mohamed Elneny and Gabriel Martinelli, who both drop to the substitutes’ bench.
West Brom also make two changes – Matheus Pereira and former Chelsea man Branislav Ivanovic come in for the Baggies.
West Brom: Johnstone, Furlong, Ajayi, O’Shea, Ivanovic, Sawyers, Robinson, Phillips, Gallagher, Diangana, Pereira.
Subs: Button, Gibbs, Bartley, Grosicki, Austin, Harper, Krovinovic, Peltier, Diaby.
Arsenal: Leno, Bellerin, Holding, Mari, Tierney, Ceballos, Xhaka, Saka, Smith-Rowe, Lacazette, Aubameyang.
Subs: Runarsson, Willian, Maitland-Niles, Pepe, Luiz, Elneny, Willock, Nketiah, Martinelli.