Kaelan Michael Casey (born 28 October 2004) is an English professional footballer who plays as a defender for Swansea City on loan from Premier League club West Ham United. Career Growing up in Thurrock, Casey joined West Ham's football academy when he was five years-old. In the 2020-21 season, Casey made his debut appearances for the under-18s and played for West Ham in the EFL Trophy. By September 2022, Casey was playing regularly at the under-21 level with West Ham. On 31 May, 2022 Casey had signed a professional contract with the club. Casey made his senior debut for West Ham United on 3 November 2022 in the UEFA Europa Conference League against FCSB, appearing as a second-half substitute for Ben Johnson, in a 3–0 West Ham win. Casey was a member of the team which won the 2023 FA Youth Cup defeating Arsenal 5–1 at the Emirates Stadium in April 2023. He scored West Ham's fourth goal with a header at the back post from an Oliver Scarles corner kick. He signed a new four-year contract with West Ham in August 2023. Casey made his Premier League debut on 11 May 2024, as a late substitute for Angelo Ogbonna in a 3–1 home win against Luton Town. International career On 7 June 2024, Casey made his England U20 debut during a 2–1 win over Sweden at Stadion ŠRC Sesvete. Style of play Casey cites Declan Rice as his role model. His father, Paul, told The Athletic that whilst he has always played as a centre-back he can also contribute in midfield. Personal life Casey attended Shaw Primary Academy in South Ockendon in the borough of Thurrock in Essex. He is a West Ham United supporter and former season ticket holder.