Union Saint-Gilloise is attempting to renew the contract of Massiré Sylla, a 21-year-old Senegalese centre-back, until 2031 with a salary adjustment. He joined the club in January 2026 from Lyn for a fee that was reported to be €1.5M. He has been linked with Milan, and Transfermarkt lists his current market value at €5.00M.