Didier Ndong has signed a five-year deal at Sunderland after a €16million fee was agreed with Lorient.
Sunderland have signed midfielder Didier Ndong from Ligue 1 side Lorient for a fee of €16million.
The 22-year-old has agreed a five-year deal on Wearside and becomes David Moyes' seventh singing since succeeding England boss Sam Allardyce as manager at the Stadium of Light.
Ndong, who has 18 caps for Gabon, told Sunderland's official website: "I am very proud and happy to sign for Sunderland. This is a new adventure for me and to play in the Premier League is a dream come true.