Arsenal full-back Bacary Sagna has admitted he "is not happy with himself" after conceding he has allowed his standards to drop since making a return from a long-term injury.

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Sagna, who was heavily linked with a move away from Arsenal last summer, has lacked the consistency he was noted for since arriving at the north London club from Auxerre in 2007, and he accepts he has not reached the levels of performance he was producing prior ...

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