Chuba Akpom could be side-lined until the new year if the latest report from the Independent newspaper proves to be accurate.
Alex Oxlade-Chamberlain scored a goal on either half of the interval as Arsenal beat Reading 2-0 at the Emirates.
Arsenal returned Carl Jenkinson to the starting line-up against Reading in EFL Cup action on Tuesday but Olivier Giroud was only fit enough for the bench.
Arsenal right back Carl Jenkinson will return to action after two seasons away on loan and a significant injury.
Olivier Giroud is finally set to return as Arsenal prepare to face Reading in the League Cup on Tuesday.
Arsenal were listless in attack and required their goalkeeper to come to the rescue on three strong Boro chances in the first half.
Arsene Wenger has indicated that Olivier Giroud is still short of fitness and will miss out on the visit of Middlesbrough.
Santi Cazorla will be assessed ahead of the game against Middlesbrough after picking an injury during Wednesdays’ European cake-walk.
Arsenal put Ludogorets to the sword 6-0 at the Emirates in Champions League action on Wednesday with Alexis opening the scoring and Ozil capping it off with a hat trick.
Granit Xhaka showed the dark side of his game in Week 8 adding to a growing collection of red cards that brings his reliability for big matches into question.
Arsene Wenger has described his France international forward as continuing his preparation for a return to first team action but he will not be ready for Arsenal's Champions League tie on Wednesday.
Arsene Wenger indicated that Aaron Ramsey was still in the process of regaining fitness and wasn't ready to participate against Ludogorets on Wednesday.
Granit Xhaka committed two grievous errors that almost cost Arsenal two points despite the Gunners scoring three at home.
Theo Walcott shook off a poor England showing with a brace that should have been a hat trick as Arsenal beat Swansea 3-2 at the Emirates.
With Francis Coquelin just back from injury and Arsenal playing well in his absence, expect Granit Xhaka to get one more start before the Arsenal midfield is thrown into chaos.