▁at ▁the ▁club ▁for ▁a ▁single ▁season , ▁making ▁ 1 7 ▁league ▁appearances , ▁before ▁he ▁moved ▁to ▁England ▁to ▁join ▁Ch else a ▁in ▁ 1 9 9 8 . ▁He ▁never ▁broke ▁into ▁the ▁Ch else a ▁team ▁( making ▁ 3 3 ▁league ▁appearances ▁in ▁seven ▁years ), ▁and ▁spent ▁two ▁loan ▁sp ells ▁at ▁Cry stal ▁Palace , ▁one ▁at ▁Bor uss ia ▁M ön ch eng lad bach , ▁and ▁two ▁at ▁B irmingham ▁City . ▁He ▁switched ▁perman ently ▁to ▁the ▁latter ▁club ▁in ▁ 2 0 0 5 , ▁but ▁injury ▁problems ▁restricted ▁him ▁to ▁ 6 5 ▁league ▁appearances ▁in ▁three ▁seasons . ▁He ▁joined ▁German ▁side ▁Hannover ▁ 9 6 ▁in ▁July ▁ 2 0 0 8 ▁on ▁a ▁free ▁transfer , ▁but ▁once ▁again ▁strugg led ▁with ▁form ▁and ▁injury ▁problems , ▁and ▁he ▁left ▁the ▁club ▁in ▁ 2 0 1 1 , ▁having ▁made ▁ 4 4 ▁league ▁appearances . ▁ ▁This ▁was ▁followed ▁by ▁an ▁un success ful ▁season ▁back ▁in ▁England , ▁this ▁time ▁with ▁Le eds ▁United ; ▁ 1 5 ▁league ▁games ▁failed ▁to ▁yield ▁a ▁single ▁goal . ▁For ss ell ▁returned ▁to ▁current ▁club ▁H J K ▁in ▁October ▁ 2 0 1 2 . ▁ ▁For ss ell ▁made ▁his ▁full ▁international ▁debut ▁for ▁Finland ▁in ▁ 1 9 9 9 , ▁and ▁has ▁been ▁a ▁regular ▁player ▁for ▁his ▁country ▁in ▁almost ▁every ▁year ▁since ; ▁the ▁one ▁exception ▁being ▁ 2