Arsenal have only lost two of their last 13 matches – a run that includes a 3-1 defeat away to Liverpool.
Liverpool – Virgil van Dijk suffered a dead leg in Sunday’s 2-1 win over Tottenham and is a doubt.
Nathaniel Clyne and Xherdan Shaqiri are both ruled out for the home side. Bet Now on NaijaBet
Alex Oxlade-Chamberlain has a good chance of starting against former club Arsenal.
Mohamed Salah took another knock to his ankle at the weekend and may be rested.
Liverpool fear Joel Matip could be out for six weeks with a knee injury.
Arsenal-Granit Xhaka may not be called upon on Wednesday night after his reaction to being subbed off against Crystal Palace at the weekend.
Look for Hector Bellerin to start at Anfield but Kieran Tierney may drop to the bench, as Unai Emery carefully manages their returns to full fitness.
Gabriel Martinelli started Arsenal’s last Carabao Cup game but Emery may opt for Pierre-Emerick Aubameyang and Alexandre Lacazette instead at Liverpool.
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Who will win?