 He made a total of 113 appearances, scoring 3 goals in five years with Heerenveen.After a trial with Russian side Spartak Moscow, Seip moved to England on 7 September 2006 with Championship club Plymouth Argyle, initially on a three-month contract.He made his debut for "the Pilgrims" on 16 September 2006, as a 31st-minute substitute in a 1–0 defeat to Southampton at St. Mary's Stadium.