Klose made 29 appearances as FC Thun won the 2009–10 Swiss Challenge League, scoring in a 4–0 home win over FC Gossau on 5 December.
Klose bëri 29 paraqitje me Thun që fitoi Swiss Challenge League në sezonin 2009–10, duke shënuar në fitoren 4–0 kundër FC Gossau më 5 dhjetor.