Aaron Ramsey could miss Arsenal's next two matches, according to the Daily Mirror.
The Welsh midfielder has not fully recovered from the hamstring injury he received in the 4-3 defeat to Liverpool on opening day.
Ramsey, 25, has missed Premier League matches against Leicester City and Watford and was also unavailable for Wales' opening 2018 World Cup qualifier against Moldova on Monday.
It is unlikely that he will be ready to take on Southampton at the Emirates this Saturday and it is understood that perhaps even the Champions League trip to PSG next week is also too soon.