Sunderland manager Martin O'Neill believes new signing Alfred N'Diaye will help "freshen things up" at the Stadium of Light.
The midfielder joined the Black Cats on a three-and-a-half year deal on Wednesday, and is now waiting for international clearance before he can make his debut on Wearside.
Speaking ahead of Saturday's clash with West Ham, O'Neill said:
The 22-year-old could be included in the squad to face the Hammers if the Premier League receive the necessary international clearance from the Turkish FA before Friday's noon deadline.
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