Kieran Tierney is set to win his fitness battle and make an instant return to the starting XI for his side's trip to Anfield.
The Scotland international was forced out of last weekend's thrilling 3-2 win over West Ham due to a groin complaint suffered during the pre-match warm-up.
Gunners boss MIkel Arteta insisted the move was precautionary and the £25m left-back appears primed to start against Liverpool.
And that will be a relief for the Spaniard as Tierney has earned rave reviews for keeping Mo Salah in check during his two previous tussles against the Premier League icon.
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