Millwall have signed goalkeeper Filip Marschall from League One side Stevenage for an undisclosed fee. The 23-year-old has signed a contract that the Championship club describes as long-term and becomes their 11th signing of the summer transfer window.

Pete O’Rourke reports that Millwall have agreed a deal for Stevenage goalkeeper Filip Marschall, who is scheduled to have a medical this morning.

According to Pete O’Rourke, Millwall is pursuing Stevenage's 23-year-old English-Polish goalkeeper, Filip Marschall. Millwall have reportedly submitted a bid for the Stevenage goalkeeper, and the club is optimistic that a deal can be concluded before Tuesday's transfer deadline. Marschall has been capped twice for England's U19s and joined Stevenage in July 2025. According to Transfermarkt, he has a current market value of €1.20m.