He made his debut on 6 August as a substitute replacing Marcos Alonso in the 79th minute in a 4–1 loss on penalties to Arsenal in the 2017 FA Community Shield. He made his Premier League debut six days later in a 3–2 defeat against Burnley at Stamford Bridge. He scored his first goal for Chelsea in the round of 16 of the EFL Cup in a 2–1 win over Everton, and his first league goal was the only one of a home win over Swansea City on 29 November 2017.