Gunners hopeful over Koscielny

Arsenal hope to have defender Laurent Koscielny (back) available for tomorrow’s Champions League clash against Schalke, but midfielder Alex Oxlade-Chamberlain misses out (hip).
England defender Kieran Gibbs (thigh) and forward Theo Walcott (chest) remain sidelined, while midfielder Jack Wilshere will be rested completely after playing for the under-21s on Monday.