Arsenal travel to Brussels today ahead of their encounter with Belgian champions Anderlecht on Wednesday night; the first in a group double header between the two clubs.
Players seem to be coming and going at will in the Arsenal camp so far this season, as Arsene Wenger has had problems with both injuries and suspensions.
Goalkeeper Wojciech Szczesny remains suspended and back up goalkeeper David Ospina is a fresh injury concern for the Gunners, who now must look to 22-year-old 'keeper Emiliano Martinez to fill the void.
However, goalkeepers aside, things are looking positive for Wenger, as star man Aaron Ramsey, who came off the bench in the weekend 2-2 draw to Hull, has recovered from a hamstring injury and could come in for Alex Oxlade-Chamberlain after a poor performance from the Englishman at the weekend.
Long term absentee Theo Walcott could make his first appearance since being stretchered off in the north London derby back in January having ruptured his anterior cruciate ligament. Mikel Arteta has also returned to full training this week.
Despite these returns, Wenger's side remain shaky at the back. Since the Londoners last Champions League outing - where they defeated Turkish giants Galatasaray 4-1 at the Emirates courtesy of a Danny Welbeck hat-trick - they have struggled domestically conceding two goals against both Chelsea and Hull, and their manager has called for things to change.
"Last year we had 17 clean sheets with the same defenders. We have not started to do that at the moment," Wenger told reporters. "This season has been much harder. It's difficult to say why because there's not just one reason."
"It's a post-World Cup year. It's [also] because we had to play Besiktas to qualify for the Champions League without having everybody ready. We have missed many players but our defensive efficiency is not there at the moment. You cannot survive at the top level by always conceding two goals. It's impossible."
Laurent Koscielny remains a major doubt to play a part on Wednesday night, but Jack Wilshere is available despite limping off in the draw with Hull.
Arsenal Predicted XI: Martinez, Chambers, Mertesacker, Monreal, Gibbs, Flamini, Wilshere, Ramsey, Cazorla, Sanchez, Welbeck
Subs: Huddart, Bellerin, Arteta, Rosicky, Oxlade-Chamberlain, Walcott, Podolski
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