Klostermann is a German professional football player who plays as a centre-back for the Bundesliga club RB Leipzig. He has had a significant impact on the team, both on and off the field.
Klostermann joined RB Leipzig in January 2019 from Borussia Mönchengladbach. He quickly became a key player for the team, helping them to win their first Bundesliga title in 15 years in 2020-21. His performances earned him the league's Player of the Month award for October 2020, and he was named the Bundesliga Defender of the Year for 2020-21.
Off the field, Klostermann has been involved in various charitable initiatives with his former club, Borussia Mönchengladbach. In 2018, he helped to raise over €6 million for children's hospitals in Germany through the sale of tickets for a friendly match between the two clubs.
In addition to his footballing abilities, Klostermann is also known for his leadership qualities. He has been praised by his teammates for his work ethic and commitment to the team's success. He is respected by his opponents and is highly regarded within the Bundesliga community.
Overall, Klostermann's role and impact on RB Leipzig have been significant. His performances on the pitch have helped the team to achieve success both domestically and internationally, while his contributions off the pitch have shown that he is not just a talented footballer but also a valuable member of the team.