David PreuDavid Preu is a German professional footballer who plays as a winger for Bundesliga club Union Berlin.Club careerA youth product of Viktoria 1889 Berlin, Preu moved to Union Berlin in 2019 where he finished his development. He joined VfR Aalen on a season-long loan in the Regionalliga on 23 June 2024. On 7 October 2024 he extended his contract with Union Berlin upon returning to the club. On 12 April 2025, he debuted with Union Berlin in a 0–0 Bundesliga tie with Bayer Leverkusen.