▁Under - 1 9 ▁Championship ▁qual ifiers , ▁scoring ▁twice ▁in ▁a ▁ 4 – 0 ▁victory ▁over ▁Bos nia - Her z egov ina , ▁Northern ▁Ireland ' s ▁first ▁win ▁of ▁the ▁qual ifying ▁campaign . ▁ ▁Republic ▁of ▁Ireland ▁D uff y ▁opt ed ▁to ▁play ▁for ▁the ▁Republic ▁of ▁Ireland , ▁for ▁which ▁he ▁was ▁el ig ible ▁through ▁his ▁Irish ▁national ity ▁( his ▁father , ▁Michael , ▁is ▁from ▁Let ter ken ny ▁in ▁County ▁Don eg al ). ▁Following ▁a ▁discussion ▁with ▁former ▁international ▁Li am ▁Br ady , ▁D uff y ▁was ▁called ▁up ▁to ▁the ▁Republic ▁of ▁Ireland ▁training ▁camp ▁in ▁May ▁ 2 0 1 0 . ▁Ever ton ▁formally ▁informed ▁the ▁I FA ▁of ▁D uff y ' s ▁change ▁in ▁alleg iance , ▁and ▁the ▁player ▁was ▁called ▁up ▁for ▁a ▁training ▁camp ▁squad ▁for ▁the ▁Republic ▁of ▁Ireland ▁squad ▁to ▁take ▁place ▁in ▁May ▁ 2 0 1 0 . ▁At ▁the ▁camp ▁D uff y ▁suffered ▁a ▁' fre ak ' ▁injury , ▁during ▁a ▁match ▁between ▁the ▁Republic ▁of ▁Ireland ▁development ▁squad ▁and ▁the ▁Ireland ▁amateur ▁side , ▁when ▁he ▁coll ided ▁with ▁goal keeper ▁Ad rian ▁Wal sh ▁and ▁had ▁to ▁under go ▁life ▁saving ▁surg ery ▁at ▁the ▁M ater ▁Hospital ▁after ▁dam aging ▁his ▁li ver ▁and ▁was ▁dis charg ed ▁six ▁days ▁later ▁after ▁making ▁a ▁full ▁recovery . ▁Although ▁it ▁was ▁expected ▁to ▁take ▁a ▁number ▁of ▁months ▁for ▁him ▁to ▁recuper ate