Meanwhile - Martin Odegaard should be passed fit for tomorrow's Champions League quarter-final second leg against Bayern Munich.
The midfielder's taken part in training today - despite picking up a knock in Sunday's Premier League defeat against Aston Villa.
Arsenal and Bayern are level at 2-all going into the second leg.
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Liverpool full-back Conor Bradley's out for up to three weeks.
The Tyrone native sustained an ankle injury in Sunday's Premier League defeat to Crystal Palace.