Arsenal thumped Leeds in their Premier League clash thanks to a brace by Gabriel Jesus on Saturday.
Mikel Arteta has refused to confirm if Gabriel Jesus has travelled for Arsenal's Europa League last-16 first-leg clash with Sporting.
Arsenal are likely to be without injured duo Gabriel Jesus and Eddie Nketiah for the clash with Bournemouth.
Arsenal coach Mikel Arteta has admitted Gabriel Jesus' "significant injury" is a big issue.
Premier League leaders Arsenal have been dealt a major injury blow with the news forward Gabriel Jesus has undergone knee surgery.
Gabriel Jesus has been ruled out of the remainder of Brazil's World Cup campaign after suffering a knee injury in the loss to Cameroon.