Dean Shiels Cup Final, which Kilmarnock won after beating Celtic 1–0. Shiels was shortlisted for the SPFA Players' Player of the Year award, along with Jon Daly, Steven Davis and Charlie Mulgrew. Shiels rejected the offer of a new contract with Kilmarnock and left the club at the end of the season. Shiels signed for Rangers on 31 July 2012. Kilmarnock's chairman Michael Johnson believes Rangers had underestimate Kilmarnock to get Shiels. Shiels vowed to make the club win a trophy this season and revealed he turned down clubs around Europe, which he could even play in the Champions League; instead, preferring
Dean Shiels NASL, Shiels returned to Scotland with Championship club Dunfermline Athletic. In November 2017, two players from Falkirk, Dunfermline's local rivals, were charged with 'excessive misconduct' for taunting Shiels over his visual impairment during a Scottish Challenge Cup fixture between the sides, following an incident during the match in which Shiels had been sent off. Both players were given lengthy suspensions. Shiels left Dunfermline at the end of his contract, having played 25 times for the side. Shortly after leaving Dunfermline, Shiels signed an 18-month pre-contract with League of Ireland Premier Division side Derry City, where he would once again play