Chelsea At age 18, Mount was promoted to Chelsea's senior team; he previously debuted for the club's
under-18 team in 2014, at age 15, and also appeared consistently for the club's under-21 team by 2016. Mount scored 10 goals in 30 games in the club's victorious
2016–17 U18 Premier League campaign. He also won two
FA Youth Cups, the
UEFA Youth League, and
Chelsea Academy Player of the Year by 2017.
2017–19: Loans to Vitesse and Derby County Mount joined Dutch
Eredivisie club
Vitesse Arnhem on 24 July 2017 on a season-long
loan. The following month, he was given his first start in Vitesse's
KNVB Cup first-round defeat away to fifth-tier team
Swift, playing the full 90 minutes of the 0–0 draw, which Swift won in a
penalty shoot-out. He scored his first goal for Vitesse on 1 October in the 76th minute of a 1–1 home draw with
Utrecht. Mount went on to appear in the Eredivisie Team of the Year and won Vitesse Player of the Year. During Vitesse's Eredivisie European play-off semi-final first leg against
ADO Den Haag on 9 May 2018, Mount scored his first hat-trick, as Vitesse won 5–2 away. He scored a 60th-minute equaliser on his debut for Derby on 3 August 2018, during a 2–1 away victory over
Reading. Mount was sidelined for two months after suffering a
hamstring injury in a
FA Cup game against
Accrington Stanley. He returned in a 6–1 win over
Rotherham United, winning a penalty for teammate
Martyn Waghorn and later scoring. Two weeks later, he scored his second senior
hat-trick in a 4–0 win against
Bolton Wanderers, keeping Derby in contention for the
play-offs. On 15 May, Mount scored his eleventh goal of the season in Derby's 4–2 win at
Leeds United in the Championship play-off semi-final. He went on to play the full match as Derby lost 2–1 to
Aston Villa in the
Championship play-off final at
Wembley Stadium on 27 May.
2019–20: First-team breakthrough On 15 July 2019, Mount signed a new five-year contract with Chelsea, which would have kept him at the club until 2024. He made his competitive debut for Chelsea on 11 August 2019 in a 4–0 away defeat to
Manchester United in the
Premier League. He scored his first Chelsea goal a week later against
Leicester City during
Frank Lampard's home debut as manager at
Stamford Bridge, a 1–1 draw, and added another in the next game away to
Norwich City, in a 3–2 away win. On 17 September, he suffered an ankle injury against
Valencia in the
Champions League opener. In March 2020, Mount was spoken to by Chelsea for ignoring
self-isolation rules during the
COVID-19 pandemic. While the entire squad was forced to self-isolate due to
Callum Hudson-Odoi's positive COVID-19 test, Mount had gone to play football with friends, including
West Ham United's
Declan Rice. On 19 July 2020, Mount scored in the
FA Cup semi-final 3–1 win against Manchester United, helping Chelsea earn a place in the
FA Cup Final. On 22 July, he became the first Chelsea Academy graduate to make his first team debut and complete 50 appearances in the same season. On the final day of the
2019–20 Premier League season in a 2–0 victory against
Wolverhampton Wanderers, Mount scored the first goal from a free kick and
assisted Olivier Giroud for the second goal to help Chelsea secure a place in the
2020–21 UEFA Champions League. Mount was named in the starting 11 against
Arsenal in the FA Cup final on 1 August – Chelsea would go on to lose 2–1. 2021
2020–21: Champions League win and Chelsea Player of the Year Mount started the
2020–21 season well, as he featured in all Chelsea matches including the one against
Barnsley in the third round of the
EFL Cup on 23 September, which ended in a 6–0 win at home. Three days later on 26 September, Mount scored his first goal of the season against
West Bromwich Albion as Chelsea came from 3–0 down to draw 3–3. In the next fixture, Mount missed the decisive penalty in Chelsea's 5–4 shoot-out loss away to
Tottenham Hotspur in the fourth round of the
EFL Cup on 29 September. In January 2021, Mount scored in back-to-back games against
Morecambe in the third round of the
FA Cup and
Fulham in the
Premier League. On 24 January, he captained Chelsea for the first time in a 3–1 win at home over
Luton Town in the FA Cup fourth round. On 4 March, Mount scored the only goal in a 1–0 away league win over
Liverpool, handing the Reds their fifth consecutive league defeat at
Anfield for the first time in their history. Mount scored his first goal in
European football in Chelsea's 2–0 win over
Porto in the first leg of the
Champions League quarter-final on 7 April, becoming the youngest Chelsea player to score in the Champions League knockout stage. On 27 April, he marked his 100th appearance for Chelsea in a 1–1 away draw against
Real Madrid in the Champions League semi-final first leg. In the second leg at Stamford Bridge on 5 May, he scored the second goal in a 2–0 win, which helped Chelsea advance to the
Champions League final 3–1 on aggregate. Early in the season, Mount's presence in the Chelsea and England starting line-ups was alleged by fans and media to be because of
favouritism by respective team managers, Lampard and
Gareth Southgate. These doubts were allayed after
Thomas Tuchel acknowledged Chelsea's growing reliance on Mount calling him "crucial for our game" and "an absolutely key player" and endorsed him as one of the best players in Europe. On 18 May, Mount was voted as
Chelsea's Player of the Year.
2021–22: Second Chelsea Player of the Year On 11 August 2021, following a 1–1 draw after extra time in the
2021 UEFA Super Cup against
Villarreal, Mount scored Chelsea's fourth penalty in the resulting shoot-out, which saw Chelsea triumph 6–5 for their second UEFA Super Cup title. On 8 October, Mount was one of five Chelsea players included in the final 30-man shortlist for the
2021 Ballon d'Or. The Ballon d'Or was won by
Lionel Messi, and Mount would place 19th in the rankings. On 23 October, Mount scored his first goals of the season, and his first hat-trick for Chelsea, in a 7–0 home win over Norwich City. In December, Mount became the youngest Chelsea player to score in four consecutive Premier League games, with a goal and assist in back-to-back trips to
Watford and West Ham United, and then scoring at home against Leeds United and
Everton. On 16 December, at 22 years and 340 days, Mount became the youngest Chelsea player to score 20 Premier League goals in the competition's history. which were eventually won by
Raheem Sterling and
Alexandre Lacazette, respectively. Mount scored in three consecutive matches for the first time in his Chelsea career in April, with two goals and an assist at
Southampton in the Premier League, a goal and an assist in the away leg against Real Madrid in the quarter-finals of the
Champions League, and a goal against
Crystal Palace in the semi-finals of the
FA Cup. He made his 100th Premier League appearance on 20 April 2022, marking the occasion with an assist, although this ended in a 4–2 home defeat against
Arsenal. On 11 May, Mount scored his 11th Premier League goal of the season and assisted
Christian Pulisic to make it 2–0 against Leeds United, giving him double digits in both goals and assists and becoming only the fifth Chelsea player (as well as the youngest) to reach that landmark in a season. In the next game, however, Mount and
César Azpilicueta would miss penalties in a penalty shootout against Liverpool in the
FA Cup Final, as the Reds won 6–5 on penalties, on 14 May. Mount was named Chelsea's player of the season for a second consecutive season on 22 May, becoming the 12th player to win it more than once, and the first to win it twice in a row since
Eden Hazard, who won it in 2014 and retained it in 2015.
2022–23: Dip in form and departure Mount had a difficult start to the new
2022–23 season, as he registered no goal contributions in the Blues' first seven games under Thomas Tuchel, despite featuring in each match. The day after a 1–0 defeat at
Dinamo Zagreb in the
Champions League, Tuchel was sacked. He scored his first goals of the season on 16 October, netting a
brace in a 2–0 victory at Aston Villa. On 27 December, in Chelsea's first match since the conclusion of the
World Cup, Mount scored his first home goal in over a year against
Bournemouth, in a 2–0 victory. On 27 April, Chelsea confirmed that Mount had undergone surgery for a pubic bone injury that had restricted his appearances during the second half of the 2022–23 season. On 4 July 2023, Mount confirmed through a social media video message his decision to leave Chelsea after 18 years at the club.
Manchester United On 5 July 2023, Mount signed for Premier League club Manchester United on an initial five-year contract, with the option to extend for a further year. United paid Chelsea a guaranteed transfer fee of £55 million, with the deal containing potential add-ons of £5 million, and Mount took on the prestigious number seven jersey, which was last worn by
Cristiano Ronaldo prior to his departure in the previous season.
Erik ten Hag, his manager at United, said that Mount would be playing deeper and in the midfield unlike his time at Chelsea.
2023–present: Struggle with injuries Mount made his competitive debut for Manchester United in the team's opening game of the
2023–24 Premier League season – a 1–0 win over Wolverhampton Wanderers at
Old Trafford on 15 August – playing 67 minutes before being substituted for
Christian Eriksen. After sustaining an injury in a 2–0 loss to Tottenham Hotspur on 23 August, Mount was absent for Manchester United's following four matches. On 26 September, he returned from injury for a 3–0 win over Crystal Palace in the third round of the
EFL Cup, playing 45 minutes and recording his first assist for the club. In a 1–0 win over
Luton Town on 11 November, Mount was again substituted with an injury which led to him missing the next four months of the season. On 17 March 2024, Mount returned to the Manchester United first team, playing 15 minutes as a substitute in a 4–3 FA Cup quarter-final win over arch-rivals
Liverpool. In the following match, Mount scored his first goal for the club, scoring in the 96th minute in a 1–1 draw against
Brentford on 30 March. On 20 December 2024, manager,
Ruben Amorim, gave an injury update and said that Mount would be out for "several weeks". He had sustained a leg injury after playing the first 14 minutes during United's 2–1 victory over Manchester City on 15 December. After three months out due to injury, Mount returned to Manchester United’s squad for the match against Leicester City on 16 March 2025, but did not play. He then came on as a substitute in the following match, when Manchester United lost 0–1 to Nottingham Forest. On 4 May, he scored his first goal in over a year in the match against Brentford, giving Manchester United the lead before they ultimately lost 3–4. Four days later, he netted a brace in a 4–1 victory over
Athletic Bilbao, helping his team secure a spot in the
Europa League final, in which he started. Mount scored his first goal of the
2025–26 Premier League season on 4 October 2025, netting in a 2–0 win over
AFC Sunderland. On 30 November, he scored a free kick, which would turn out to be the winning goal against
Crystal Palace in a 2–1 victory at
Selhurst Park. It was the first time he had played a full 90 minutes in the Premier League since he had joined United. On 8 December, he scored his third goal of the season against
Wolverhampton Wanderers in a 4–1 away win. On
Boxing Day, in a win against
Newcastle United, Mount was briefly injured again. On 17th January 2026, during stoppage time, in a 2-0 win against Manchester City, Mount netted his fourth goal of the season, though it was then disallowed for being offside. ==International career==