Klostermann is a German football player who plays as a defensive midfielder for Bundesliga club RB Leipzig and the Germany national team. He was born on August 14, 1992, in Berlin, Germany.
Klostermann began his career at FC Schalke 04 before joining RB Leipzig in 2015. In his first season with the club, he made 28 appearances and scored two goals. The following season, he played in all 38 league games and helped the team win the Bundesliga title. In the 2017-18 season, he was named the Bundesliga Player of the Year.
In addition to his impressive performances on the pitch, Klostermann has also been praised for his leadership qualities off the field. He has become a key figure for RB Leipzig and has earned the respect of his teammates and opponents alike. His ability to read the game and anticipate对方的行动，Serie A Stadium以及他的防守能力都是他成为德国国家队的重要原因。
Overall, Klostermann is a talented and versatile player who has proven himself to be a valuable asset to RB Leipzig and the Germany national team. With his continued development and improvement, he is sure to continue making a significant impact on the sport.