Marlon Fossey is one of the few players Standard Liège can sell for millions of euros. He is under contract until mid-2027 and has a market value of 4 million euros, according to Transfermarkt. Fossey acknowledges the importance of performing well to maintain his place in the U.S. national team, especially with the 2026 World Cup in mind. Standard Liège is open to selling Fossey to raise funds.