According to Milan team reporter Antonio Vitiello, AC Milan has reached a preliminary agreement with Portugal Sports on Hader's transfer, and the transaction is close to completion. The transfer fee is about 25 million euros.

Danish striker Hader, 20, made 54 appearances for Portugal Sports in various competitions last season, scored 13 goals and contributed 10 assists. Hader's contract with the club expires in the summer of 2029, and currently the player De has turned 24 million euros.