 In May 2008, he signed a two-year contract with HC Ambri-Piotta in the Swiss National League.In Ambrì, Clarke played with former NHL player Erik Westrum and was coached by the 1980 Olympic Gold Medalist John Harrington, he left on 17 December Ambri and moved to Rauman Lukko.The following season Clarke returned to Ambri before splitting the year again with HC Slavia Prague of the Czech Extraliga.