German midfielder and former Budesliga winner Moritz Leitner joined Norwich City on loan from Augsberg on 25th January 2018 until the end of the 2017/18 season. He made his debut as substitute against Brentford on 27th January 2018.
Leitner started his football career at FC Unterföhringsince joining them when he was two. When he was six years old, he moved to 1860 München, where he started his career. He made his professional debut on 14th August 2010 and set up the equaliser in a game 1860 eventually won. He made 18 appearances before moving to Borussia Dortmund in January 2011.
He signed a four year contract with Dortmund and was then loaned to Augsberg until the end of the 2010/11 season, ,making 9 appearances. Returning to Dortmund, he played 22 games in his first season as they won the Bundesliga. The following season saw him help Dortmund to the Champions League final although he was on the bench for the final against Bayern Munich. He played a total of 66 games for Dortmund.
On 1st July 2013, Moritz Leitner joined VfB Stuttgart on loan until June 2015. Leitner finished his first season at Stuttgart, making twenty-four appearances and scoring once in all competitions. During the second season he fell out with the manager and made just 20 appearances, scoring once.
On 12th August 2016, Lazio signed Leitner from Borussia Dortmund for a fee of €1.5 million. He made just two appearances due to injury and the form of his rivals.
On 31st January 2017, Leitner signed for Bundesliga side Augsburg signing a four-year deal for a reported fee of €2 million. He made six appearances in the 2016/17 season and no appearances in 2017/18.
Leitner was capped by Austria at Under-17 level due to his mother's nationality, playing against Estonia in May 2008. After receiving German citizenship in September 2010, he made his debut for the German Under-19 side against Denmark. He scored a total of seven goals for the Under-19s. He made his Under-21 debut against Cyprus on 9th August 2011 and scored his first Under-21 goal against San Marino on 10th October 2011. He later captained the Under-21s.