Blackburn Rovers Jones joined the
Blackburn Rovers youth team in 2002. He then joined the senior team for the
2009–10 Premier League season, signing a two-year professional contract. He made his first-team debut for Blackburn after starting the
League Cup match against
Nottingham Forest on 22 September 2009, in which Blackburn won 1–0. Then in February 2010, he signed a new five-year contract that included a £16 million release clause. Jones made his first
Premier League start for Blackburn against
Chelsea on 21 March, just a month after turning 18. He was widely praised for his committed and assured performance at centre-back, making several crucial blocks and interceptions as Rovers held the champions to a 1–1 draw at
Ewood Park. On 2 April 2011, Jones started a first-team match for the first time in four months against
Arsenal at the
Emirates Stadium, playing the full 90 minutes in a 0–0 draw. Despite his injury, he played 26 league matches, and two cup matches for Blackburn that season. the deal would be finalised upon his return from international duty. He made his debut for the club on the 2011 pre-season tour to the United States, in United's 3–1 victory over
Chicago Fire. Jones made his competitive debut for United as a second-half substitute, replacing
Rio Ferdinand in the
2011 FA Community Shield against
rivals Manchester City. United were 2–0 behind, but won 3–2. Jones made his league debut a week later, again as a substitute replacing Ferdinand, as United beat
West Bromwich Albion 2–1 on the opening weekend. On 10 September, Jones provided two assists for
Wayne Rooney in United's 5–0 thumping of
Bolton Wanderers at the
Reebok Stadium. Jones started the away match to
Liverpool as a box-to-box midfielder, different from his usual centre-back and full-back positions he was accustomed to. Jones scored his first ever senior goal on 3 December in a 1–0 away win against
Aston Villa. Jones scored a consolation goal against
Basel in a 2–1 Champions League defeat that resulted in United being knocked out of the competition, heading in a loose ball after
Federico Macheda's shot had come back off the bar. On 21 December, he suffered a facial injury in an away match against
Fulham, however the X-ray showed no serious damage and Jones returned to action in the 3–2 defeat against Blackburn on 31 December. After suffering a back problem and having a knee operation which kept him out for the start of the 2012–13 season, Jones made his first appearance in an away match against
Galatasaray in the Champions League on 20 November. He scored his first goal of the
2013–14 season on 29 October in a 4–0 win against
Norwich City in the League Cup. On 10 December, he scored the only goal of the match in a 1–0 win against
Shakhtar Donetsk in the final group-stage match of the Champions League, ensuring United finished top of the group. On 1 July 2015, Jones signed a new four-year contract with United. On 8 February 2019, he signed a new contract until 2023. On 9 February, Jones assisted
Anthony Martial in a 3–0 win over
Fulham, his first goal involvement since 2014. On 26 January 2020, he scored in a 6–0 FA Cup win against
Tranmere Rovers; it was his first goal for United since March 2014. He then spent 20 months injured, finally returning to training and playing with the reserves in September 2021. In September 2021, Jones opened up on his injury problems, stating "I think as a footballer, as a person, as a human being, that's the lowest I probably ever felt in my life". Following an injury to
Harry Maguire, coupled with existing injuries to
Eric Bailly and
Victor Lindelöf, Jones made his return to first team action in a 1–0 home defeat to
Wolverhampton Wanderers on 3 January 2022, his first appearance in nearly two years. Jones last appearance for the club came when he was substituted on in a 3–0 home win against
Brentford on 2 May 2022. Following the appointment of
Erik ten Hag, Jones wasn't included in United's 25 man squad for the
2022–23 season; injury resulted in Jones missing the entirety of the season. On 15 May 2023, United announced that, after a 12-year stint at Old Trafford, Jones would be released by the club at the end of the season. Later that year, in September, he became involved in United's youth teams training sessions at
Carrington, as he then announced plans to take courses to earn his coaching badges. In August 2024, he announced his retirement from playing football, saying that he wanted to move into coaching. In total, he made 229 appearances for United out of which 169 came in the
Premier League. Prior to his retirement, he and
David de Gea were the only remaining members of the 2012–13 squad that had won the Premier League in Sir Alex Ferguson's last season as manager. ==International career==