"Campbell is definitely out, Patrick has the best chance of playing but Thierry is a big doubt," said Wenger, who led the north London club to the English title last season. Henry and Campbell both have achilles problems while Vieira has a thigh injury.
Arsenal open their league campaign with a trip to Everton FC on Sunday 15 August. They will begin their 2004/05 UEFA Champions League challenge in the group stage.
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