Turkish side Bursaspor have confirmed that midfielder Alfred N'Diaye has joined Sunderland.
The Super League club said on their official website: "Bursaspor has agreed terms with English Premier League side Sunderland AFC for the transfer of the player Alfred N’Diaye.
"We wish him all the best for his future football career."
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Kader Mangane has joined Sunderland on loan until the end of the season
Sunderland boss Martin O'Neill has spoken about the club's newest recruit - Alfred N'Diaye