▁ 2 0 1 2 , ▁less ▁than ▁two ▁years ▁after ▁sust aining ▁a ▁life - th re aten ing ▁injury , ▁D uff y ▁received ▁a ▁call - up ▁to ▁the ▁Republic ▁of ▁Ireland ▁senior ▁squad , ▁replacing ▁the ▁injured ▁Richard ▁Dun ne . ▁On ▁ 1 ▁November ▁ 2 0 1 2 , ▁D uff y ▁was ▁named ▁in ▁the ▁prov is ional ▁ 2 6 - man ▁Republic ▁of ▁Ireland ▁squad ▁for ▁the ▁friendly ▁fi xture ▁against ▁Greece ▁on ▁ 1 4 ▁November ▁ 2 0 1 2 . ▁D uff y ▁received ▁his ▁next ▁call - up ▁on ▁ 9 ▁May ▁ 2 0 1 4 ▁when ▁he ▁was ▁included ▁in ▁the ▁ 3 2 - man ▁prov is ional ▁squad ▁ahead ▁of ▁friend lies ▁against ▁Turkey , ▁Italy , ▁Costa ▁Rica ▁and ▁Portugal . ▁ ▁D uff y ▁had ▁his ▁international ▁debut ▁in ▁June ▁ 2 0 1 4 ▁l ining ▁up ▁against ▁Costa ▁Rica ▁in ▁a ▁friendly ▁in ▁Philadelphia . ▁Two ▁years ▁later , ▁he ▁made ▁his ▁second ▁appearance ▁for ▁Ireland ▁against ▁Switzerland , ▁winning ▁the ▁Man ▁of ▁the ▁Match ▁award , ▁setting ▁up ▁C iar an ▁Clark ▁for ▁the ▁only ▁goal ▁of ▁the ▁game . ▁ ▁He ▁was ▁called ▁up ▁for ▁Euro ▁ 2 0 1 6 , ▁but ▁was ▁an ▁un used ▁sub ▁for ▁the ▁first ▁two ▁matches ▁against ▁Sweden ▁and ▁Belg ium . ▁In ▁the ▁final ▁group ▁game ▁of ▁the ▁tournament ▁D uff y ▁came ▁into ▁the ▁team ▁and ▁a ▁hero ic ▁performance ▁helped