Arsene Wenger has released the latest team news ahead of the short trip to Selhurst Park on Sunday,
Spanish right back Hector Bellerin is available again after missing the opening weekend loss at home to West Ham, Danny Welbeck is making good progress but is still unavailable.
Jack Wilshere is still unavailable, but is on schedule to be back within the next two weeks.
Rosicky is a long term doubt after having knee surgery, it is currently unknown for how long exactly.
Alexis Sanchez is fit has been working hard and is ready for the weekend.