Mathys De Carvalho, a 20-year-old Portuguese-French defensive midfielder, is in the same situation as Tanner Tessmann, which means Olympique Lyonnais will not retain him if a satisfactory offer is made this winter. His contract with the French club is valid until June 2028. The Portugal U20 international has four caps for his country. According to Transfermarkt, his current market value is €4.00m. In Ligue 1 this season, he has made 9 appearances and provided 1 assist.