The 23-year-old missed Uruguay’s 1-1 draw with United States in Missouri on Tuesday night resulting from ‘muscular discomfort’.
Torreira is now travelling travelling again from the United States to London and can should be assessed by Arsenal’s medical employees.
Unai Emery’s facet are resulting from journey to Vicarage Road to play Watford on Sunday afternoon.
Arsenal may also be intently monitoring Granit Xhaka’s health after the midfielder revealed that he has been affected by an Achilles downside because the begin of the marketing campaign.
Elsewhere, Arsenal will probably be hoping that Alexandre Lacazette will probably be out there after the striker was compelled off with cramp within the 2-2 draw with Tottenham earlier than the worldwide break.
Joe Willock has additionally been rested in the course of the worldwide break resulting from a calf downside however is anticipated to be out there for the journey to Watford.