Dean Shiels last home match of the 2008–09 season, when he scored the first goal in a 2–0 victory over Crystal Palace. Shiels scored six goals in 42 games during the 2009–10 season. However, during the 2010–11 season Shiels lost his place in the Doncaster starting line-up. He was loaned to Kilmarnock in July 2011 and his contract was mutually terminated in January 2012. Shiels signed a six-month loan deal with Kilmarnock, managed by his father Kenny Shiels, in July 2011. Shiels made his first appearance for Kilmarnock on 30 July 2011, in a goalless draw against Motherwell at Rugby Park, coming
Greenock Morton F.C. the relegation playoff by a single goal. Irons was sacked in September 2009 and replaced October by James Grady until the end of the season. Grady was removed from the club in May 2010, and replaced by Allan Moore. Allan Moore was sacked after a 5–1 defeat at home to Livingston on 23 November 2013. His replacement Kenny Shiels was given a contract until the end of season 2014–2015, but failed to reverse the slide towards relegation from the Scottish Championship, which became a reality on 12 April 2014 after a 2–0 away defeat by Alloa Athletic. Shiels resigned after