Mahmoud became the first Syrian-born player in the Bundesliga having joined Borussia Moenchengladbach as a 14-year-old in 2010.

He made his Bundesliga debut in 2014 and helped Gladbach qualify for the Champions League before moving to Dortmund in 2017.

He went on to make 141 appearances for the 2022/23 Bundesliga runners-up, although his game time was restricted after he had surgery on his shoulder in summer 2022.

As well as playing 26 times for Germany’s under-21s, he has won two senior caps and made his international debut against Turkey in 2020.