The midfielder was sent off in the club's game against Nottingham Forest last weekend.
Tottenham Hotspur were knocked out of the Europa League by Borussia Dortmund yesterday.
Mark Hughes has challenged Stoke City to go unbeaten for the rest of the season in a bid to get their bid for European football back on track.
The two managers have taken contrasting approaches to Sunday's crucial Premier League fixture.
The Gunners centre-back says the team must go back to basics on the training ground after the second leg defeat to Barcelona on Wednesday night.
West Ham United travel to fierce rivals Chelsea this weekend looking to go level on points with third placed Arsenal in the Premier League.
The Whites' victory in November saw them seal their first back-to-back wins of the season in the Championship.
Everton are Arsenal are set to meet at Goodison Park on Saturday.
Tottenham Hotspur lost 5-1 on aggregate to Borussia Dortmund in the Europa League.
Liverpool secured a 1-1 draw with Manchester United in the Europa League on Thursday, which was enough to earn progress through to the last eight.
Bank of America has axed three investment bankers from its Brazilian unit and is in the process of eliminating seven from its brokerage in Chile as part of a series of global cuts, according to people with knowledge of the matter.
Virgin Group empire founder Richard Branson is, if nothing else, willing to take risks.
A former shareholder of Promsberbank, a lender whose license was revoked last year, was arrested in Moscow earlier this month as regulators probe trades handled by Deutsche Bank that may have been used to launder money, according to two people with knowledge of the investigation.