Bruno Guimaraes is back on the bench for Arsenal as they face Sunderland in Premier League action tonight.
The £75million summer signing from Newcastle has endured a slow start to his career in north London due to minor injury issues.
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He came off the bench against Napoli in the Champions League in midweek and manager Mikel Arteta keeps him there upon his return to Wearside.
Guimaraes, the former Newcastle captain, is guaranteed a hostile reception at the Stadium of Light should he make an appearance.
Christos Tzolis and Kai Havertz both come back into the starting lineup, after only making cameos off the bench in the 1-0 league phase win in Naples on Wednesday night.
Another change sees Riccardo Calafiori return in place of Piero Hincapie.
Jurrien Timber makes a matchday Premier League squad for the first time since injury in March.
Timber has stepped up his recovery in recent weeks and travelled to Italy on Tuesday, though was not part of the squad to meet Napoli.
Mosquera is not involved, having missed the last two matches with a muscle issue suffered in the win over Aston Villa.
Arsenal remain without William Saliba, who is sidelined for an extended period but avoided surgery after exacerbating an ongoing back problem on World Cup duty with France earlier this summer.
Confirmed team news
Arsenal XI: Raya; White, Konsa, Gabriel, Calafiori; Rice, Lewis-Skelly, Odegaard; Saka, Tzolis, Havertz.
Subs: Arrizabalaga, Hincapie, Eze, Timber, Gyokeres, Madueke, Merino, Zubimendi, Guimaraes
Injured: Saliba
Doubts: Timber, Mosquera
Time and date: 8pm BST on Saturday September 12, 2026
Venue: Stadium of Light, Sunderland
TV channel: TNT Sports 1