By . Pa Reporter . Arsenal striker Olivier Giroud has been ruled out of Wednesday's Champions League qualifier against Besiktas with a foot injury. Aaron Ramsey is suspended after being sent off in the first leg in Istanbul while midfield colleague Mikel Arteta is missing with an ankle problem. Full-back Kieran Gibbs and winger Theo Walcott are absent with respective hamstring and knee injuries. Provisional squad: Szczesny, Debuchy, Chambers, Koscielny, Monreal, Flamini, Wilshere, Sanchez, Cazorla, Martinez, Oxlade-Chamberlain, Campbell, Miquel, Rosicky, Bellerin, Diaby, Sanogo, Mertesacker, Podolski, Ozil. CLICK HERE TO READ MATT BARLOW'S PRE-MATCH SCENE SETTER . Out: Olivier Giroud will miss the second leg of Arsenal's Champions League play-off with an ankle injury .
Olivier Giroud ruled out of Wednesday's qualifier with a foot injury . Aaron Ramsey is suspended after red card in first leg draw in Turkey . Mikel Arteta also out for Arsenal with ankle problem . Kieran Gibbs and Theo Walcott also out through injury . First leg finished 0-0 in Turkey .