On 5 July 2019, Juventus officially announced the transfer of Demiral from Sassuolo, on a five-year contract for €18 million.[10] His salary was reportedly unfolded as €1.3 million per annum.[11] He became the first Turkish player to play for the club.[12] He made his club debut on 21 September, in a 2–1 home win over Verona in Serie A.[13] He subsequently made his Champions League debut on 11 December, in the club's final group match, earning praise in the media for his performance as he helped Juventus keep a clean sheet in a 2–0 away win over Bayer Leverkusen.[14][15] He scored his first goal for the club on 12 January 2020, the opener in a 2–1 away win over Roma, which saw Juventus secure the unofficial title of "Winter Champions;" however, he was later substituted for Matthijs de Ligt after sustaining an anterior cruciate ligament injury.