Fellow winger Gabriel Martinelli is out with a hamstring injury and that has paved the way for his rival to come into the team.
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The Belgian came off the bench at the weekend and scored the only goal of the game as the Gunners beat Everton at Goodison Park.
Mikel Arteta is unlikely to make wholesale changes for tonight’s game and it is unclear who will play in goal.
Arteta has said that no one’s spot in the team is guaranteed, with David Raya picked ahead of Aaron Ramsdale at the weekend to make his debut.
Kai Havertz could come into the midfield in place of Fabio Vieira, while Gabriel Jesus will hope to start up front.
The Brazilian missed the start of the season with a knee injury but has confirmed that he is now fully fit.
“My knee is better,” he said. “It was unlucky and I had to do it (surgery) and now I am getting better. Now my knee is perfect. I have more rhythm. I am training, I am doing my best.”
Arsenal predicted XI (4-3-3): Ramsdale; White, Saliba, Gabriel, Zinchenko; Odegaard, Rice, Havertz; Saka, Jesus, Trossard
Wednesday 8pm BST, TNT Sports
Venue: Emirates Stadium
Referee: Felix Zwayer
Arsenal squad from: Ramsdale, Raya, Hein; Gabriel, Cedric, Kiwior, Saliba, Timber, Tomiyasu, White, Zinchenko; Havertz, Jorginho, Odegaard, Rice, Smith Rowe, Vieira; Jesus, Martinelli, Nelson, Nketiah, Saka and Trossard.
Injured: Elneny (knee), Partey (hamstring)