Arsenal star set to miss the rest of the season after undergoing knee surgery - after playing just six minutes for Mikel Arteta's side in the campaign
The defender has played just six minutes of football this season, coming on as a late substitute in the Premier League win over Southampton in October.
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Celtic robbed v Bayern and Brugge stun Atalanta on dramatic Champions League night
Celtic have been knocked out of the Champions League by Bayern Munich 3-2 on aggregate after a fortunate 94th-minute Alphonso ...