 On 14 June 2012, he appeared as a substitute in the 4–0 defeat by Spain at UEFA Euro 2012.In March 2013, Republic of Ireland manager Giovanni Trapattoni compared Green to ex-AC Milan midfielder Gennaro Gattuso before a match against Sweden.After the Republic of Ireland ground out a crucial 0–0 draw away to Sweden, Trapattoni proclaimed Green 'is under-estimated by the media' after playing in a defensive midfield position.