Clark won Barnsley's 'Most Promising Academy Player' award for the 2009–10 season,[4] and signed a scholarship deal with the club in July 2010.[5] He signed his first professional contract in March 2011, alongside Danny Rose.[6] He made his senior debut for Barnsley on 12 April 2011, in a 1–0 defeat at home to Queens Park Rangers.[7] On 11 September 2012, Clark signed a contract extension with the club, keeping him at Barnsley until 2014.[8]
On 22 February 2013, Clark was loaned out to Chesterfield on an initial one-month deal.[9] He made his Chesterfield debut the following day, coming on as an 80th-minute substitute for Neal Trotman, in a 1–0 loss against Gillingham.[10] Clark made one more appearance, playing 90 minutes, in a 0–0 draw against Aldershot Town before being recalled by Barnsley on 26 March 2013.[11][12]
On 2 August 2013, Clark went on loan again to Scunthorpe United.[13] He made his debut the next day, coming on as a late substitute for Andy Welsh, in a 2–0 win over Mansfield Town,[14] returning to his parent club on 11 September 2013.[15]
In February 2014 he joined Hyde on another loan deal,[16] making his Hyde debut as a second-half substitute for David Poole, in a 4–3 loss against Lincoln City.[17] On 22 February 2014, Clark scored his first professional career goal, in a 2–2 draw against Aldershot Town.[18]
Clark was released by Barnsley at the end of the 2013–14 season.[19]
Shrewsbury Town
Following a trial spell, Clark went on to join League Two side Shrewsbury Town on 17 July 2014,[20] re-uniting with new Shrewsbury manager Micky Mellon who had previously been assistant, and later caretaker-manager at Barnsley.[21]
Clark made his Shrewsbury Town debut in a 2–2 draw against Wimbledon on the opening day of the season.[22] On 30 August 2014, Clark scored his first goals for the club, both in a 2–0 win over Luton Town.[23] His third goal of the season, against Bury, described as a "superb angled volley", was awarded the winner of the club's Goal of the Month competition for October 2014.[24][25]
Clark found his playing role reduced in the second half of the season, mostly used as a substitute.[26] However, he contributed two assists, in a 4–0 win over Exeter City on 11 April 2015, as Shrewsbury closed in on promotion to League One.[27] At the end of the season, Clark signed a one-year contract extension.[28]
On 5 September 2015, he scored a last-minute winning goal in a 2–1 win at former club Barnsley, Town's first win of the League One season.[29] It was announced Clark was to be released by the club in May 2016.[30]
He was offered a new contract by the club at the end of the 2019–20 season.[33]
Luton Town
On 5 August 2020 Clark signed for Luton Town on a free transfer after his Accrington contract expired.[34]
On 27 May 2023, he scored the goal in regular time and a penalty in the penalty shoot-out for Luton in the EFL Championship play-off final against Coventry City, which ended 1–1 after extra time. Luton won on penalties, ensuring they would play in the Premier League in the 2023–24 season.[35]
On 6 April 2024, Clark scored his first Premier League goal in a 2–1 win over Bournemouth.[36]
Career statistics
As of match played 25 January 2025
Appearances and goals by club, season and competition