Christoph Zimmerman followed head coach Daniel Farke from Borussia Dortmund's Under-23s to Norwich on 15th June 2017. The 24-year-old, 6ft 4in defender joins City as a free agent signing a two-year deal.

Zimmermann came through the youth system at Bundesliga outfit Borussia Monchengladbach, making his professional debut for their B-team in the German third division back in 2014.

He reached 50 appearances, scoring two goals, before making the move to BVB’s second string – where Zimmermann played under both Huddersfield Town boss David Wagner and new Norwich head coach Daniel Farke.

Known for being a reliable professional and strong in the air, Zimmermann made 47 appearances for Farke’s side last season as they earned promotion to 3 Liga – the third tier of German football. “He’s very big, tall, strong and powerful and he’s an intelligent boy,” said Farke. “He was my captain of my under-23 team at Borussia Dortmund, and he fits English football because of his powerful way. We’re very happy he’s chosen to come to Norwich.”

Zimmermann made his Norwich debut in the 1-1 draw away to Fulham on the opening day of the 2017/18 season (5th August 2017) He scored his first goal for Norwich in a 2-2 draw at Wolverhampton Wanderers on 21st February 2018. He finished the season with 45 appearances.

He made a further 45 appearances the following season, scoring three goals, as Norwich won the Championship and promotion to the Premier League. .Injury limited him to 20 appearances contributing to Norwich's relegation back to the Championship. he made 24 appearances the following season as Norwich returned to the top flight winning the Championship title again.

He made five appearances in 2021/22 as Norwich finished bottom of the Premier League.

On 20th July 2022 he ended his five year association with the club signing for 2.Bundesliga side SV Darmstadt on a three year deal. This ended the period of German players at Carrow Road. In his first season Darmstadt were promoted to the Bundesliga having played 32 games for Torsten Lieberknecht's side this season, starting 84% of their league games.