On 18 August 2017, Matuidi joined Juventus on a three-year contract that would expire on 30 June 2020. The initial transfer fee was €20 million, plus up to €10.5 million in potential bonuses that would depend on the number of appearances made by him in Juventus' competitive matches over the next three seasons. He made his club and Serie A debut on 19 August 2017, in a 3–0 home win over Cagliari. Matuidi scored his first goal for Juventus on 17 December; the final goal of a 3–0 away win over Bologna.