Jean Michael Seri has filed a criminal complaint of fraud against Nice relating to his move to Fulham in July 2018.
The French league game between Nice and Marseille was halted after fans displayed banners with homophobic messages.
French Ligue 1 side Nice have been taken over by Ineos, the energy group run by British billionaire Jim Ratcliffe.
Former Manchester City and Liverpool striker Mario Balotelli says his mum cried when he told her he was joining hometown club Brescia.
The end of the European transfer window is in sight and there are still several high-profile deals to be completed before September 2.
With under a week remaining for clubs in Spain, Italy, Germany and France to sign players, the European transfer window is once again hotting up.
Allan Saint-Maximin has signed for Newcastle from Nice on a six-year deal.
Watford are interested in signing Nice winger Allan Saint-Maximin for a club-record £25m, according to Sky sources.
Nice have received no contact from Newcastle regarding their manager Patrick Vieira and say they would not welcome any interest.
Paris St Germain must wait to secure the Ligue 1 title after a humbling 5-1 defeat to second-placed Lille on Sunday.
Eric Maxim Choupo-Moting was guilty of an extraordinary miss as PSG missed the chance to secure the Ligue 1 title after a 2-2 draw with Strasbourg.
Britain's richest man Sir Jim Ratcliffe is trying to add French football club Nice to his growing sports portfolio.
Paris Saint-Germain moved a step closer to claiming another Ligue 1 title after Kylian Mbappe's brilliant goal helped deliver a 1-0 win at Toulouse.
Instagram celebrations, fitness issues, falling out with Patrick Vieira, and scoring goals - a look at Mario Balotelli's time in France.
Monaco further eased their Ligue 1 relegation fears after a late winner from Carlos Vinicius sank second-placed Lille 1-0.
Mario Balotelli scored against his former club as Marseille extended their unbeaten run in Ligue 1 to six games with a 1-0 victory over Nice at Stade Velodrome.
Gelson Martins ensured Monaco finally escaped Ligue 1's bottom three as his goal downed Nantes 1-0.
Remi Walter's 69th-minute penalty gave Nice a third straight home win as Lyon lost 1-0 to end a five-game winning streak in all competitions.
All the latest transfer news from around Europe, with updates on Ivan Rakitic, James Rodriguez and Paulo Dybala.
Nicolas Pepe's superb solo goal helped high-flying Lille to a fourth successive Ligue 1 victory as they emphatically beat Nice 4-0.
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