Career
Early career Šeliga played most of his career for hometown club Celje in the Slovenian PrvaLiga. In 2005 he joined Slavia Prague, but after an unsuccessful period with the Czechoslovakian side, he returned to Celje. Sparta Rotterdam In the summer of 2009, Šeliga was tested by two clubs in the Netherlands.
The first club, South Carolina Heerenveen, was in desperate need for a keeper.
After training with the side, he did not get a contract. The second club where he tried his luck was Sparta Rotterdam.
The club also needed a keeper, after Cássio Ramos returned to PSV Eindhoven after an ended loan-period. After a brief internship, Šeliga signed a contract for two years.
In his first season with Sparta (2009-2010), he was chosen as first keeper by a manager Frans Adelaar.
As of 2007, Šeliga has been a constant feature of the Slovenian national team as either a recall or a call-up reserve.