Blow for Arsenal as Alexis Sanchez a doubt for Villa clash
Alexis Sanchez is enjoying a fine first season in England
Arsenal forward Alexis Sanchez (hamstring) is doubtful for Sunday's Barclays Premier League clash against Aston Villa, when new signing Gabriel Paulista could make the squad after joining from Villarreal.
England striker Danny Welbeck (thigh) is close to a return, but may not be risked, while midfielder Alex Oxlade-Chamberlain (groin) is also expected to come into contention ahead of the north-London derby at Tottenham next weekend.
Midfielders Jack Wilshere (ankle), Mikel Arteta (ankle) and Abou Diaby (calf) are all still out, as is full-back Mathieu Debuchy (shoulder).
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Provisional Squad: Ospina, Gibbs, Koscielny, Mertesacker, Chambers, Coquelin, Cazorla, Rosicky, Ozil, Walcott, Giroud, Szczesny, Monreal, Bellerin, Ramsey, Flamini, Akpom, Gabriel, Sanchez.
