Yazıcı made his Süper Lig debut in the new year on 2 February 2016, coming on as a second-half substitute for Musa Nizam in a 2–1 loss to Akhisar Belediyespor.

[citation needed] Midway through the following season, on 22 December, he scored his first Cup goals for the club, netting a brace in a 5–0 win over Kızılcabölükspor.

[7][8] He ended the month by scoring in a 2–0 win over Galatasaray, a match in which scouts from Premier League side Manchester United and the Eredivisie's PSV Eindhoven were present to watch his performance.

[citation needed] On 22 October 2017, Yazıcı received his first ever red card when he was sent off in stoppage time in a 1–0 loss to Yeni Malatyaspor.

[11] In January the following year he was named by UEFA as one of the 50 young players to watch in 2018 and went on to end the season having scored 10 goals and recorded 5 assists in 33 league appearances.

[17] On 17 July 2019, Ağaoğlu stated that he is not distant to a potential transfer of Yazıcı to Lille, however it is not in their agenda due to the fact that amount of offer is not satisfying at such stage.

[25][27] Substituted in on 68th minute, Yazıcı made his Ligue 1 debut on week 1 encounter of 2019–20 season against Nantes that ended 2–1 for Lille at Stade Pierre-Mauroy, on 11 August 2019.

[31] On 19 January 2022, CSKA Moscow announced the loan of Yazıcı from Lille until the end of the season, with an option to buy the player in the summer.

[44] On his debut performance for the team, he was badly injured in his left knee, suffering from a torn anterior cruciate ligament.

[45] Yazıcı made his debut for the Turkey national under-19 football team on 25 February 2016 and scored the opening goal in a 3–2 loss to the Czech Republic.