They'll have to do without Aaron Ramsey too, who was sent off after picking up two yellow cards.
Arsenal had their chances to win against the Turkish side – but had some scares as well.
Manager Arsene Wenger says that he's confident they can reach the group stage.
Meanwhile
Celtic hope to take advantage of their second chance in the Champions League tonight.
They're in Slovenia to take on Maribor in the first leg of their play-off.
The only reason Celtic are still in the competition is because Legia Warsaw were eliminated – despite winning the previous qualifying round tie – for fielding a suspended player.
Manager Ronny Deila says that he knows his side are expected to reach the group stage.
