Arsenal youngster Michal Rosiak is set for another month out due to injury.
The 19-year-old suffered a medial collateral ligament injury during Arsenal’s behind closed doors friendly against Ipswich during the international break.
Rosiak has been a regular for the U21s this season while he has also frequently captained the U19s in the UEFA Youth League. He travelled with the first-team squad in pre-season for their tour of the United States.