Donnelly began his career at Airdrie United initially in the youth team, then signing professionally for the 2010–11 season.
[3] In March 2012, he spent a week training with Wigan Athletic[4] whose Manager Roberto Martinez said he would continue to keep an eye on him.
[6] At the end of the 2011–12 season he won the SFL Player of the Year award for the Second Division.
[16] After a short spell out of the game, he joined his local club, Gartcairn Juniors in September 2017.
This biographical article related to association football in Scotland, about a forward born in the 1990s, is a stub.