Kone has been on the books of Sunderland since January 2016 when he joined from French club Lorient for a transfer fee reported by The Sunderland Echo to be worth £5 million.
The 30-year-old central defender joined French club Strasbourg on a season-long loan deal from the Black Cats in the summer of 2018.
According to WhoScored, the Ivory Coast international has made 20 starts and two substitute appearances in Ligue 1 for Strasbourg so far this season, scoring one goal and providing one assist in the process.
According to Transfermarkt.co.uk, Kone’s current contract with Sunderland is until the summer of 2021.
Sunderland owner Donald has suggested that Strasbourg will take up the option to sign the defender on a permanent contract.
Donald has also suggested that even if the French club do not sign him, Kone will not be at Sunderland next season.
Donald said about Kone on the Roker Rapport podcast, as transcribed by The Sunderland Echo: “The club he's at have got an option which they can exercise if they want to keep him for a fee, we believe that is likely.
“If that doesn't happen based on what we're being told and how we feel, I think he'll find another club, I'd be amazed if you see Lamine back here in a Sunderland shirt.”
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