IrlandSpielerkarriere
11Republic of Ireland national under-21 football team?–heute
Celtic F.C.?–heute
Blackburn Rovers F.C.1994–1997
Swindon Town F.C.1994–1994
Republic of Ireland men's national association football team1996–2016
Sunderland A.F.C.1996–1996
Newcastle United F.C.1997–2009
Manchester City F.C.2009–2011
Aston Villa F.C.2011–2015
Middlesbrough F.C.2013–2014
Stoke City F.C.2015–2017