Arsenal have Pablo Mari and Albert Sambi Lokonga absent due to Covid-19 for Tuesday’s Carabao Cup quarter-final clash with Sunderland.
Sead Kolasinac (ankle) is also missing against the League One side.
Sunderland head coach Lee Johnson has a major doubt over midfielder Leon Dajaku.
The 20-year-old German had to be helped from the pitch at Ipswich on Saturday after suffering a contact injury and is to undergo an X-ray, although replacement Denver Hume came through unscathed on his return from an ankle problem.
Full-back Dennis Cirkin and midfielder Corry Evans are closing in on full fitness, but Johnson has revealed one unnamed player has tested positive for Covid-19 and will have to self-isolate as a result.
Arsenal provisional squad: Ramsdale, Tierney, White, Gabriel, Tomiyasu, Partey, Saka, Odegaard, Xhaka, Lacazette, Martinelli, Leno, Holding, Tavares, Smith Rowe, Maitland-Niles, Elneny, Pepe, Aubameyang, Nketiah, Balogun.
Sunderland provisional squad: Hoffmann, Doyle, Flanagan, Wright, Neil, Hume, Gooch, Winchester, Broadhead, Stewart, Pritchard, Patterson, Cirkin, Younger, Alves, Evans, Embleton, O’Brien, Kimpioka.
