LONDON (Reuters) – Arsenal defender Bacary Sagna will miss the north London derby against Tottenham Hotspur on Sunday and midfielder Abou Diaby is rated a 50-50 chance.

"Abou has a calf problem, a minor one. He will have tests and then we will see if we can use him or not," manager Arsene Wenger told a news conference on Thursday.

Arsenal's Bacary Sagna acknowledges the fans at the end of their Champions League qualifying soccer match against Udinese in Udine August 24, 2011. REUTERS/Giorgio Benvenuti

Diaby’s fellow Frenchman Sagna has a knee injury and missed last weekend’s Premier League win over Aston Villa.

"He is not ready for Sunday. It is too short for him," said Wenger.

Arsenal are fifth in the league on 47 points, two behind Chelsea and four adrift of third-placed Spurs.

(Writing by Alison Wildey; Editing by Tony Jimenez)

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