| Youth career | |||
|---|---|---|---|
| 1981–1989 | Rockmount[3] | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1989–1990 | Cobh Ramblers | 23 | (1) |
| 1990–1993 | Nottingham Forest | 114 | (22) |
| 1993–2005 | Manchester United | 326 | (33) |
| 2005–2006 | Celtic | 10 | (1) |
| Total | 473 | (57) | |
| International career | |||
| 1991 | Republic of Ireland U21 | 4 | (0) |
| 1991–2005 | Republic of Ireland | 67 | (9) |
| Managerial career | |||
| 2006–2008 | Sunderland | ||
| 2009–2011 | Ipswich Town | ||
| *Club domestic league appearances and goals | |||