Luke McCullough

Manchester United He moved to England to play for Manchester United in July 2010. He captained the academy side throughout the 2011–12 campaign, making 25 appearances. He made his league debut on 16 February 2013, in a 1–1 draw with Aldershot Town, coming on as a substitute for Steve Elliott.

Doncaster Rovers After spending time on trial during pre-season, McCullough signed a two-year deal with Doncaster Rovers on 25 July 2013. He made his debut for Doncaster when he started in Rovers' 3–1 defeat to Brighton & Hove Albion in the Championship on 2 November 2013. However, less than a month later, on 2 August 2016, it was announced that McCullough would miss the entire season with a cruciate ligament injury.

He was released by Doncaster at the end of the 2018–19 season after spending much of it on loan at Tranmere Rovers.

Tranmere Rovers

McCullough re-signed for Tranmere on no-contract terms on 6 January 2020. The deal was made permanent 24 days later.

Glentoran

McCullough returned to his native Northern Ireland on 1 August 2020, by signing for East Belfast side, Glentoran. On 7 May 2024, it was announced that McCullough would be one of ten players departing Glentoran upon the expiry of their contracts.

International career McCullough first represented Northern Ireland at under-16 level where he became captain. He was also captain of the under-17s. Although named in the squad twice before, his first appearance for the under-19s was a start in the 8–1 victory away to Moldova on 15 October 2012. Although he didn't score in that game, he was credited with two assists.

On the same day he signed a contract with Doncaster Rovers, he also received a call-up to play for the under-21 squad in the Milk Cup.

McCullough senior debut came in a friendly loss against Uruguay. McCullough has since become a regular feature of the Northern Irish squad, going to Euro 2016. He did not make an appearance at the tournament.

Personal life McCullough is a Rangers fan.