Liverpool In December 2018 Hoever began training with the Liverpool first team, with manager
Jürgen Klopp describing him as "confident" and "a joy to watch." Hoever was given the squad number 51 ahead of the
FA Cup game against
Wolverhampton Wanderers at
Molineux Stadium on 7 January 2019. He started the match on the bench, but replaced an injured
Dejan Lovren at centre-back in the opening minutes. Hoever's appearance made him the youngest ever Liverpool player in the FA Cup and their third youngest in any competition. He signed a long-term professional contract with the club on 31 July 2019. His first professional goal came on 25 September 2019 in an
EFL Cup match against
Milton Keynes Dons. Upon scoring, at the age of 17 years, eight months and 10 days, Hoever became the fourth-youngest player to find the back of the net for Liverpool, behind
Ben Woodburn,
Michael Owen and
Jordan Rossiter.
Wolverhampton Wanderers On 19 September 2020, Hoever completed a £9 million transfer to
Wolverhampton Wanderers. Hoever made his first appearance in the Premier League, and his debut for Wolves, as a second-half substitute in a 4–0 defeat away to
West Ham United on 27 September 2020. He made his debut
Molineux appearance for Wolves in the team's next match, a 1–0 victory in the Premier League over
Fulham on 4 October 2020, also as a second-half substitute. Hoever made his full Premier League debut away to
Manchester United on 29 December 2020, a game which Wolves lost narrowly to a deflection in added time.
Loan to PSV On 23 June 2022, Hoever joined
PSV on a season-long loan.
Loan to Stoke City On 27 January 2023, Hoever joined
Championship club
Stoke City on loan until the end of the season. On 10 March 2023 he scored his first goals for the club, netting twice in a 3–2 home victory over
Blackburn Rovers. Hoever made 17 appearances, scoring four goals from full back, becoming a popular player among the supporters during his short time at the club. Hoever returned to Stoke on loan for the
2023–24 season. He scored on the opening day of the season in a 4–1 win against
Rotherham United. Stoke were involved in a relegation fight throughout the campaign with Hoever making some mistakes leading to opposition goals. Stoke's and Hoever's form picked up towards the end of the season and they secured their Championship status in the penultimate game against
Southampton.
Loan to Auxerre On 21 August 2024, Hoever joined newly-promoted
Ligue 1 club
Auxerre on a season-long loan deal.
Loan to Sheffield United After spending the first half of the
2025–26 season as part of Wolves' squad in the Premier League, on 8 January 2026, Hoever was sent on loan to EFL Championship side
Sheffield United until the end of the
campaign. ==International career==