Mark was a member of Harps U19 squad for 2014 and managed to make his first team debut towards the end of that season. He joined Cockhill Celtic in the Ulster Senior League for 2015 but returned to Harps for the 2016 league campaign. He opted to play with the Donegal GAA team for 2017 before returning for the 2018 season and playing his part in the team winning promotion back to the Premier Division.

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