Career
He plays as a right-sided full-back. Devlin signed for Dumbarton in the summer of 2009, and broke into the first team during the 2010-2011 season. Devlin signed a pre-contract agreement with SPL side Motherwell in March 2011.
Devlin officially joined on 1 July 2011.
Devlin was injured for most of the 2011-2012 season, but came back at the start of 2012 and turned in some excellent performances for the Motherwell under-19 team On 17 August 2012, Devlin re-joined Dumbarton on loan until January.
That was then extended for a further twenty-eight days. On 15 March 2013, Devlin was again farmed out on loan, re-joining Stenhousemuir till the end of the season.
On 20 May 2013, after not making a single first-team appearance for Motherwell, Devlin was released by the club
Upon being released by Motherwell, he was quickly signed on a permanent contract by Stenhousemuir, a team who he had two previous loan spells with, for the 2013-2014 season. At the end of the season, he was amongst the players released by the club In July 2014, Devlin signed for Ayr United.
He was made club captain on May 19th 2015.