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Benayoun is on loan to the Gunners from Premier League rivals Chelsea

Arsenal midfielder Yossi Benayoun is a doubt for the north London derby on 2 October after revealing he will be out "for a week or so".

The 31-year-old suffered a "strain" in the Carling Cup win over Shrewsbury.

Arsenal host Bolton on Saturday and then Olympiakos in the Champions League next Wednesday, before travelling to White Hart Lane four days later.

Benayoun said on his Twitter external-link page: "Very disappointed as I have a strain and will be out for a week or so."

The Israel international scored his first goal for the club following his deadline-day loan move from Chelsea against the Shrews, firing in 12 minutes from time.