Arsenal injury news: Jack Wilshere to have surgery next week but Aaron Ramsey and Hector Bellerin fit to face Chelsea

Per Mertesacker was suffering with an illness and could return

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Aaron Ramsey and Hector Bellerin and fully fit after being rested in midweek, confirmed Arsenal boss Arsene Wenger.

The pair are in line to return for the massive clash against Chelsea on Saturday, but Wenger still has to decide whether he will risk Per Mertesacker, who has only just returned from an "illness".

"We have no injuries and we left [Aaron] Ramsey and [Hector] Bellerin behind [for the Zagreb game]," said Wenger at a press conference.

"They integrate into the squad again. Mertesacker may still be a bit short, I have to decide that today."

Speaking about the German centre-back, who has not played since the Crystal Palace victory on 16 August, Wenger said: "Mertesacker could still be a bit short I have to decide that. It was an illness."

Wenger also confirmed that Jack Wilshere will have surgery at some point next week.

"He will have surgery next week and it is a blow, a big problem. But on the short term only because it does not damage his future."

Danny Welbeck and Czech midfielder Tomas Rosicky (both knee) remain sidelined.