Association football | association football | Ireland | football (soccer) | Czech Republic | National Football League | American football | People's Republic of China | Northern Ireland | National Register of Historic Places | Republic of Ireland | Forward (association football) | National Hockey League | Dominican Republic | college football | Democratic Republic of the Congo | Goalkeeper (association football) | Defender (association football) | Socialist Federal Republic of Yugoslavia | Football (soccer) | Football in Italy | England national football team | United Kingdom of Great Britain and Ireland | National Basketball Association | National Science Foundation | National Geographic | Australian Football League | National Trust | Australian rules football | National Endowment for the Arts |
On 6 February 2013 O'Brien scored on his debut for the Republic of Ireland U21s against Netherlands in a 3–0 win at Tallaght Stadium.
On 23 March 2011, Zamir made his debut for the Israel under-21 national football team in a friendly tournament against Georgia in the Austrian town of Sankt Veit.