[4] After finishing his GCSEs at St Mary's High School, he moved to England where he was offered a scholarship at the Newcastle United Academy.

[6] Ferguson made his first team debut at left back on 25 August 2010, in a League Cup tie away at Accrington Stanley.

[citation needed] In the early months of the 2012–13 season Ferguson assisted a number of goals for strikers Demba Ba and Papiss Cissé and produced some quality crosses from the left wing.

[20] Having made no first-team appearances in the first half of 2014–15, he was one of five Newcastle players to join Scottish Championship club Rangers on loan on 2 February 2015.

[21] He was still recovering from a knee ligament injury,[22] and only regained fitness in time to make two appearances: as a second-half substitute in the first leg of the play-off final and as a starter in the second, as Rangers lost out to Motherwell.

[29] On 11 December 2024, Ferguson signed for League of Ireland Premier Division club Derry City ahead of their 2025 season.

[33] He played all three matches of that round, but Northern Ireland failed to win any of the games and finished at the bottom of their group.

However, under-21 coach Steve Beaglehole later stated that he believed Ferguson never attempted to switch allegiances despite failing to respond to Worthington's calls[36] as he had started in all the 2013 European Championship qualifiers from September onwards.

[39] A year later, he produced what O'Neill called "90 minutes of the really highest quality" as Northern Ireland beat Russia in a 2014 World Cup qualifier.