 Following the 2009 season, Clarke signed a 2-year full-time contract with Sporting Fingal, where he'd had a very successful loan spell in 2008.After Sporting Fingal ceased trading Clarke's contract was cancelled and he signed for Sligo Rovers on a 1-year full-time contract on 15 February 2011.Clarke impressed immediately by saving a penalty on his debut in the 1–0 win over Derry City F.C.