Arsene Wenger will assess Alexis Sanchez’s physical and mental condition ahead of Arsenal’s trip to Watford on Saturday.
Sanchez only arrived back in London on Thursday after missing out on World Cup qualification with Chile, and may be left out of Wenger’s squad for the Vicarage Road clash.
Arsenal, who are unbeaten in seven games in all competitions, haven’t conceded in the Premier League since their 4-0 defeat by Liverpool in late August.
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