Massire Sylla, a central defender for Union Saint-Gilloise, has attracted interest with his performances in Belgium. Alongside Beşiktaş, fellow Turkish clubs Galatasaray and Fenerbahçe are also reportedly coveting the player. The 21-year-old Senegalese has recently extended his contract with the Belgian team until June 2031. Sylla joined Union Saint-Gilloise in January 2026 from Lyn for a reported fee of €1.5M. His current market value is €5.00M, according to Transfermarkt.