Rovers He was without a club for the first few months of the 2012–13 season before signing a month by month contract for Doncaster Rovers on 26 October 2012. Clingan was linked with recently promoted side Charlton. He played his first game, coming on as sub in the 83rd minute when Rovers were two up away against Notts County. Despite lack of appearance, Clingan says he desire to stay at Doncaster Rovers in November. He made his last appearance for the club – against his former club, Coventry City – on 15 December 2012, where he received a mixed reception from Coventry fans. On 27 December 2012, it was confirmed that Clingan would not be offered an extension to his contract and would leave the club. Kilmarnock On 29 January 2013, Clingan signed an 18-month contract with SPL side Kilmarnock. Upon joining Kilmarnock, Clingan will be joined by compatriot Rory McKeown and manager Kenny Shiels. A few weeks after joining the club, Clingan made his first start, in a 1–1 draw against Inverness Caledonian Thistle on 13 February 2013. A few weeks later, Clingan scored his first goal for the club, in a 2–2 draw against Hibernian. Two months later on 11 May 2013, Clingan scored his second goal of the season, in a 3–2 win over Dundee. Clingan made fourteen appearances and scoring two times in his first half of the season. In the 2013–14 season, Clingan was a suffered a knee injury after a challenge during a friendly match against Carlisle United and was substituted. As a result, Clingan would be out for six weeks. After being sidelined for six weeks, Clingan made his return to the first team against Celtic on 28 September 2013, which he scored from a free-kick, which Kilmarnock lost 5–2. Despite the loss, Clingan said he will never forget the first time he played at Celtic Park. Since then, Clingan struggled to regain his first team, as he was on the substitute bench and has his own injury concern much further, as he made eighteen appearances and scoring once in his second season. Despite the injury, Clingan signed a 12 months contract with the club. In 2014–15 season, Clingan started the season well when he scored his first goal of the season, in a 2–0 win over Motherwell on 22 August 2014. However, Clingan's playing time was soon reduced when he suffered a