Arsenal defender Gael Clichy has been ruled out for up to a month with a suspected stress fracture in his back.

Midfielder Tomas Rosicky returns to the squad for Wednesday night's Champions League clash against AZ Alkmaar at Emirates Stadium following a knee problem.

Striker Nicklas Bendtner (groin), goalkeeper Lukas Fabianski (thigh), Theo Walcott (knee), Denilson (back) remain out.

Arsenal team (from): Almunia, Gibbs, Vermaelen, Gallas, Sagna, Song, Fabregas, Diaby, Arshavin, van Persie, Eduardo, Mannone, Eboue, Ramsey, Senderos, Nasri, Rosicky, Silvestre.