The 25-year-old has not played for the Gunners since the end of the 2019-20 campaign having spent last season on loan at LaLiga champions Atletico Madrid.
Browsing: Lucas Torreira
Arteta said this was to ensure the squad has the right balance for the rest of the season.
Arsenal midfielder Lucas Torreira is expected to be out for “eight to 10 weeks” after fracturing his ankle, says the Premier League club.
Arsenal boss Mikel Arteta has been urged to replace Lucas Torreira with Leicester star Wilfred Ndidi.
Arsenal have defeated Napoli 2-0 at the Emirates Stadium in the first leg of their Europa League quarter-final tie.
The 22-year-old, who started the month 20 days late after illness saw him miss games against Cardiff and Newcastle United, returned in their Europa League clash against Vorskla and impressed, laying the curtain raiser to Pierre Emerick-Aubameyang in the 4-2 victory.
An agreement for the Uruguay international was reached during the World Cup but the deal could not be pushed through until his side had been knocked out of the competition.