The Gunners will head into the match full of confidence after triumphing over Manchester United in their last outing to secure a place in the semi-final of the FA Cup for a second season in a row. Nacho Monreal opened up the scoring for the Gunners after good work from Alex Oxlade Chamberlain. But the Red Devils soon equalised with a goal from Wayne Rooney, assisted by a beautiful cross from Angel Di Maria.
Danny Welbeck who made a return to Old Trafford for the first time since his summer move settled the tie after capitalizing on a mistake from Antonio Valencia to ensure Arsenal advanced to the next round. Arsenal who have lost just once in their last five matches in all competitions will now be hoping to continue the good form in league outings in order to ensure they finish the season in the top four.
However former Arsenal midfielder Alex Song who now plays his trade at West Ham is hopeful his team can get the better of Arsenal and has insisted that his side should take inspiration from Monaco's performance at the Emirates.
"I know this stadium very well and I know when you play with Arsenal it's very hard, but I think Monaco is how you want to play when you play in the Emirates," Song told West Ham's website.
"The best thing to do is to try to be together, defend together very well and when you have the opportunity to go on the counter attack, you have to do it very well like Monaco did it.
"If you want to go to Emirates and try to play you will not have any chance to win the game there because this stadium is very hard to play in.
"If we do this very well like Monaco did, then we can get a good result there.''
The Hammers started the season very strongly but recent performances have resulted in them sliding down to tenth place in the league table. The Irons have failed to record a victory in their last five matches having lost thrice during the period and will be hoping they can make a response on Saturday.
However West Ham can take confidence from their last match against Chelsea in which they played well but were outdone by a solitary goal from Eden Hazard.
Arsenal's injury list has been growing with every passing week and the Gunners have the likes of Gabriel Paulista (hamstring), Jack Wilshere (ankle), Mikel Arteta (ankle), Mathieu Debuchy (shoulder) and Serge Gnabry (knee) on the sidelines. Alex Oxlade-Chamberlain sustained an injury in the match against Man United and has been ruled out for four weeks.
Enner Valencia is a doubt for West Ham who are also expected to be without Winston Reid. Whereas Carl Jenkinson is ineligible to play against his former club.
Arsenal vs West Ham team sheets
Arsenal's lineup: Ospina, Chambers, Mertesacker, Koscielny, Monreal, Coquelin, Ramsey, Walcott, Ozil, Alexis, Giroud.
West Ham´s lineup:Adrian, O'Brien, Collins, Kouyate, Cresswell, Song, Noble, Nolan (c), Jarvis, Downing, Sakho
Arsenal's subs: Szczesny, Gibbs, Bellerin, Flamini, Cazorla, Welbeck, Akpom.
West Ham's subs: Jaaskelainen, Demel, Onariase, Poyet, Cullen, Amalfitano, Nene
Match details, result and original broadcast info
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