Career
Clark began his career at Dumbarton. He was first called up for a Scottish Championship game against Queen of the South on 25 April 2015, replacing Mitchell Megginson for the final 14 minutes of a 2–1 away defeat. A week later, in the final game of the season, he played the final two minutes of a 2–2 home draw with Raith Rovers in place of Mark Gilhaney.