Ciğerci signed a three-year deal on 14 April 2014 with Hertha BSC to move permanently, after a full season on loan.

[1] Ciğerci signed a three-year contract with Turkish club Galatasaray on 8 August 2016 for an initial fee of €3 million.

[3] On 11 July 2023, Ciğerci returned back to MKE Ankaragücü on a 2-year contract.

[4] Ciğerci played for Germany U-19 and U-20 teams, however, he chose to represent Turkey at senior level and was called up by manager Fatih Terim for Turkey's friendly match against Russia on 31 August 2016 and subsequently made his debut in a World Cup 2018 qualifying 1-1 tie against Croatia.

[5] His younger brother, Tolcay Ciğerci, is also a midfielder, and made his professional debut for Hamburger SV in 2014.