The Black Cats have parted ways with the centre-back, who moved to the club for £8 million in 2016.
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The Barea twice battled back to hold the Lions of Teranga to a 2-2 draw in Antananarivo.
The centre-back endured a baptism of fire for West Ham United against Arsenal, but he has the qualities to be a Hammers cult hero.
The Senegal midfielder has returned to the Super Lig only seven months after signing for Stoke City.
The Senegal international could be primed to leave AS Monaco with Antonio Candreva going in the opposite direction.
Barcelona have completed the signing of defender Moussa Wague, who starred for Senegal at this summer's World Cup.
The Senegal captain has joined the Eagles on a four-year deal.
Senegal coach Aliou Cisse has had his contract extended by a year but was also given the onerous task of ensuring his team reach the AFCON final.
Senegalese defender takes out all his frustration on cruel World Cup exit by unleashing a stunning effort during a training session.
The World Cup made a star out of Kylian Mbappe but what about the under-the-radar talents hoping to impress in Russia? We pick out three that did.
The 2018 World Cup is over, so let's look at 2022. France will crash out, Africa's sides will rebound and Cristiano Ronaldo will star, then retire.
"FIFA has adopted a new system but does the fair play rule solve all the problems? After the game, nothing happened to either Japan or Poland."
The rule, in use for the first time at the World Cup, meant Japan barely attacked at the end of their 1-0 loss to Poland on Thursday.
The World Cup has been superb on the pitch but equally brilliant off it thanks to the rich, vibrant and merry travelling fans who came to party.
What an irony it was to see Japan celebrate going through to the knockout rounds of the World Cup, under the guise of fair play.
Senegal coach Aliou Cisse believes his side did not "deserve" to advance to the World Cup knockout stage after they lost to Colombia.
After VAR helped one Colombian defender, another scored a vital winner to eliminate Senegal, who paid the price for yellow-card indiscipline.
Colombia defeated Senegal 1-0 to advance to the World Cup round of 16 as Group H winners in a result that sent the African side out on fair play.
Aliou Cisse reshuffled his pack as Senegal sought the draw they needed against Colombia, but ultimately, his plan fell just short.
Senegal defender Kalidou Koulibaly believes the Teranga Lions will be boosted by the continent's support.
England and Belgium face off in Group G for top spot, with the other two teams already out.
If Senegal crash out of the World Cup on Thursday, it will signal Africa's worst performance at the finals in almost 40 years.
Colombia are growing into this tournament after a slow start, but can Senegal end their World Cup hopes and book their own spot in the Last 16?
Allowing a lead to twice slip from their grasp in their last World Cup game could come back to haunt Senegal when they face Colombia.