Noni Madueke is set to remain sidelined for unknown period of time after he sustained a knee injury over the weekend.
The England international felt discomfort on his knee when he came off for Bukayo Saka against Manchester City on Sunday.
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It remains unclear if he suffered a ACL injury but scans expected to be conducted this week will confirm the extent of the injury.
Saka who was also returning from a similar injury made an impact on the field as new signing Eze provided a crucial assist to draw level at the Emirates Stadium.
Erling Haaland opened the scoring for the visitors in the first half as Gabriel Martinelli sealed the all important goal in extra time.