Giovanni Leoni (Italian pronunciation: ; born 21 December 2006) is an Italian professional footballer who plays as a centre-back for Premier League club Liverpool. Club career Early career Leoni was born in Rome, in Italy and moved to Padua at the age of 5. He began playing football with Vigontina before moving to Cittadella, and finished his youth development at Padova. He made his senior and professional debut with Padova as a late substitute in a 3–2 Serie C win over AlbinoLeffe on 19 March 2023 at the age of 16 years and 3 months, making him the youngest professional footballer in Italy that season. On 1 February 2024, he joined Sampdoria on loan until June 2026 with an option to buy for €1.5 million. On 25 June 2024, he signed a three-year contract with Sampdoria. On 27 August 2024, Leoni moved to Parma in Serie A. On 9 February 2025, he scored his first goal for Parma, a powerful header against Cagliari in a 2–1 loss. Liverpool On 15 August 2025, Leoni completed a permanent transfer to Premier League club Liverpool for a reported fee of £26 million on a deal until June 2031. He made his debut for the club on 23 September, starting in a 2–1 win against Southampton in the EFL Cup third round. During this match, he suffered an anterior cruciate ligament injury, sidelining him for "about a year" as advised by Arne Slot, which would rule him out for the remainder of the season.