Lamine Kone has committed his future to Sunderland by signing a new five-year deal at the Stadium of Light.
Ivory Coast international Kone joined Sunderland in January and was an integral part of the side which managed to avoid relegation from the Premier League.
Everton tried to sign the centre-back, who expressed his desire to move, in the summer, but Sunderland boss David Moyes has hailed the 27-year-old’s new deal.
“Lamine is an important player for this club and I made that clear to him from the outset,” Moyes told the club’s official website.
“He has only been playing in the Premier League since January, but in that time we have already seen what he is capable of.
“The challenge for Lamine now is to build on what has been a very positive introduction to English football and to continue to improve and grow as a player.”