They now have four Premier League games to go, with little to play for, but Arteta will be wary about letting the team slide further. Fans are already frustrated by performances and more defeats would only ramp up pressure on Arteta.
The Spaniard makes six changes. Including Gabriel Martinelli starting and Pierre-Emerick Aubameyang dropping to the bench.
Granit Xhaka is a out after pulling up with a groin strain just before kick-off on Thursday, while David Luiz (hamstring) and Pablo Mari (ankle) are absent too.
Arsenal XI: Leno; Chambers, Holding, Gabriel, Saka; Ceballos, Elneny; Pepe, Willian, Smith Rowe; Martinelli.
Subs: Runarsson, Bellerin, Tierney, Cedric, Partey, Odegaard, Lacazette, Aubameyang, Nketiah.
West Brom XI: Johnstone; Furlong, Ajayi, Bartley, Townsend; Phillips, Yokuslu, Gallagher, Robinson; Matheus Pereira; Diagne.
Subs: Livermore, Robson-Kanu, Grant, Button, O’Shea, Diangana, Gardner-Hickman, Peltier, Taylor
Sunday 7.00pm GMT, BT Sport
Arsenal squad from: Leno, Runarsson, Ryan; Bellerin, Cedric, Chambers, Gabriel, Holding, Tierney; Ceballos, Elneny, Odegaard, Partey, Saka, Smith Rowe; Aubameyang, Balogun, Lacazette, Martinelli, Nelson, Nketiah, Pepe and Willian.
Injuries: Luiz (hamstring), Mari, (ankle), Xhaka (groin)