Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 01/2013 - 12/2014 |  | Sarpsborg 08 |  Norway | Manager |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 12/2005 - 06/2006 |  | Sheffield United |  England | Forward | |
| 07/2005 - 12/2005 |  | Perth Glory |  Australia | Forward | 9 |
| 03/2005 - 06/2005 |  | Sunderland AFC | England | Forward | |
| 07/2004 - 03/2005 |  | Leeds United | England | Forward | 30 |
| 11/2003 - 06/2004 |  | West Ham United | England | Forward | |
| 11/2001 - 10/2003 |  | Leicester City | England | Forward | 27 |
| 10/1998 - 11/2001 |  | Middlesbrough FC | England | Forward | |
| 07/1998 - 10/1998 |  | SL Benfica |  Portugal | Forward | 28 |
| 01/1998 - 06/1998 | | SL Benfica | Portugal | Forward | |
| 07/1997 - 01/1998 | | Sheffield United | England | Forward | |
| 07/1993 - 06/1997 | | Leeds United | England | Forward | |
| 07/1988 - 06/1993 | | Sheffield United | England | Forward | |
| 07/1985 - 06/1988 |  | Doncaster Rovers | England | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Champions League | 2 | 1 | 1 | 1 | 89 | - | - | - | 1 | - | - | » All matches |
| Champions League Qual. | 1 | 1 | - | 1 | 76 | 1 | - | - | - | - | - | » All matches |
| Europa League | 3 | 3 | - | - | 270 | - | - | - | - | - | - | » All matches |
| Premier League | 353 | 325 | 28 | 31 | 29.626 | 96 | 2 | 17 | 37 | - | - | » All matches |
| Championship | 119 | 87 | 32 | 38 | 7.491 | 35 | - | - | 13 | 1 | - | » All matches |
| FA Cup | 46 | 42 | 4 | 4 | 3.982 | 16 | - | 1 | 1 | - | - | » All matches |
| League Cup | 38 | 33 | 5 | 5 | 2.957 | 14 | - | - | - | - | - | » All matches |
| Primeira Liga | 18 | 15 | 3 | 5 | 1.264 | 7 | - | - | 1 | - | - | » All matches |
| A-League | 7 | 6 | 1 | 3 | 543 | 1 | - | - | 1 | - | - | » All matches |
| Total | 587 | 513 | 74 | 88 | 46.298 | 170 | 2 | - | 54 | 1 | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Friendlies | 3 | 1 | 2 | 1 | 104 | - | - | - | - | - | - | » All matches |
| Total | 3 | 1 | 2 | 1 | 104 | - | - | - | - | - | - |