Polish goalkeeper Fabian Mrozek joined Liverpool aged sixteen in July 2020. He moved up to the Under 21's in 2022 and his first taste of the senior squad was when he was named on the bench in a Europa League encounter against Union Saint-Gilloise at Anfield on 5 October 2023. He was named in four other Europa League squads that season and was also on the bench for a Premier League game with Burnley. In July 2024 Mrozek was loaned to Swedish club Brommapojkarna for the remainder of their season which runs over the summer, making five top flight appearances. Mrozek was loaned for the remainder of the 2024/25 campaign to non-league side Forest Green Rovers at the end of the winter transfer window in 2025. He made 11 appearances in the National League before returning to Liverpool.