Marten Winkler has publicly stated a desire to leave Hertha BSC and move to the Bundesliga. Coach Stefan Leitl said that Winkler has a contract and has now publicly stated his wish to leave the club, adding that a solution must be found. Leitl also said that he does not want to keep players against their will and is in favor of finding solutions when a player clearly expresses the wish to leave. The coach emphasized that Hertha's intention is to develop players from their academy and sell them when they are prepared for the subsequent stage of their career, which is also for economic reasons.

German winger Marten Winkler, 23, confirmed that one always wants to develop further and that he is very attracted to the Bundesliga. He also confirmed that no possibilities are excluded, that he has informed the club that he wants to take the next step and can imagine a transfer, and that he will see what happens in the summer. Winkler is under contract with Hertha BSC until June 30, 2027 and has a current Transfermarkt market value of €1.50m. He has one cap for Germany's U18 national team.