Olivier Giroud will miss the EFL Cup quarter-final against Southampton due to a minor muscular issue.
Arsenal appear destined for another second place group stage finish after managing only a home draw against PSG at the Emirates on Wednesday.
Arsenal put on one of the weaker attacking displays in quite some time and were down a goal late, but Olivier Giroud scored to level the match as the Gunners draw with Manchester United, 1-1.
An second half appearance by Olivier Giroud sparked Arsenal's attack as they would score three times in quick succession to blow past woeful Sunderland, 1-4.
Olivier Giroud is finally set to return as Arsenal prepare to face Reading in the League Cup on Tuesday.
Arsene Wenger has indicated that Olivier Giroud is still short of fitness and will miss out on the visit of Middlesbrough.
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.
Arsenal forward Olivier Giroud must have suffered some knock as he will miss his third week of action due to the injury.
Arsene Wenger, speaking ahead of Arsenal's Week 7 match with Burnley, ruled out his France international forward due to the continuing effects of a toe injury.
Arsene Wenger could have Olivier Giroud available again after the forward missed Arsenal's previous two matches with a toe injury.
Arsenal started out terribly but recovered to net a draw against PSG in their Champions League group stage opener in Paris on Tuesday.
With Lucas Perez arriving at the Emirates it isn't clear how playing time will be distributed among Arsenal's attackers.
Arsenal will be without Euro2016 finalists Olivier Giroud and Laurent Koscielny as they recover from their summer exertions. Both will miss Week 1 for sure.
Arsenal have reportedly made a €35million bid for Alexandre Lacazette and had it turned down by Lyon.