Santos was injured in the 3-1 defeat to Olympiakos in the Champions League last week.
The Brazilian’s absence is a blow as Kieran Gibbs, Arsenal’s only other specialist senior left back, is also out.
Santos was injured in the 3-1 defeat to Olympiakos in the Champions League last week.
The Brazilian’s absence is a blow as Kieran Gibbs, Arsenal’s only other specialist senior left back, is also out.
