Arsenal begin their defence of the FA Cup against Newcastle on Saturday evening at the Emirates.
Thomas Partey, who has been out of action since December 6 defeat to Tottenham, could make his comeback against The Magpies after recovering from a thigh injury.
On Partey, the Gunners said: “Thomas is now back in full training with the squad after recovering from an injury to his left thigh.
“Thomas will continue to work hard to establish match fitness after being out of action for a month. He will be assessed regarding his availability ahead of Saturday’s match.”
Arsenal will be without Gabriel following a positive test for Covid-19.
The defender hasn’t played since the defeat by Manchester City in the Carabao Cup on December 22 and will continue to follow coronavirus protocols.
“Gabriel previously tested positive for Covid-19,” Arsenal said. “He is feeling well and is showing no signs of illness.
“Only on the successful completion of the necessary protocols and medical checks in the coming days will Gabriel be able to return to full training with the squad.
“As part of Premier League protocol, all members of our first team squad and support staff continue to be regularly tested for Covid-19.”
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