Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 08/2006 - 06/2012 |  | Portsmouth FC |  England | Forward | 27 |
| 07/2004 - 08/2006 |  | West Bromwich Albion | England | Forward | 25 |
| 01/1999 - 06/2004 |  | Arsenal FC | England | Forward | 25 |
| 07/1998 - 01/1999 |  | Inter |  Italy | Forward | 29 |
| 08/1996 - 06/1998 | | Inter | Italy | Forward | 11 |
| 07/1995 - 08/1996 |  | AFC Ajax |  Netherlands | Forward | 9 |
| 07/1993 - 06/1995 | | AFC Ajax | Netherlands | Forward | 16 |
| 10/1994 - 03/1995 |  | Jong Ajax | Netherlands | Forward | |
| 07/1992 - 06/1993 |  | Heartland FC |  Nigeria | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Intercontinental Cup | 1 | - | 1 | - | 53 | - | - | - | 1 | - | - | » All matches |
 | Champions League | 60 | 32 | 28 | 14 | 3.199 | 5 | - | 4 | 1 | - | - | » All matches |
| Europa League | 19 | 8 | 11 | 5 | 874 | 3 | - | - | 1 | - | - | » All matches |
| UEFA Super Cup | 1 | 1 | - | - | 90 | - | - | - | - | - | - | » All matches |
| Premier League | 273 | 155 | 118 | 86 | 15.237 | 54 | 1 | 29 | 12 | - | - | » All matches |
| Championship | 42 | 16 | 26 | 10 | 1.785 | 3 | - | - | - | - | - | » All matches |
| FA Cup | 30 | 14 | 16 | 9 | 1.397 | 8 | - | - | - | - | - | » All matches |
| League Cup | 18 | 10 | 8 | 3 | 1.088 | 8 | 1 | - | - | - | - | » All matches |
| FA Community Shield | 1 | 1 | - | - | 90 | 1 | 1 | - | - | - | - | » All matches |
| Serie A | 12 | 4 | 8 | 4 | 406 | 1 | - | - | - | - | - | » All matches |
| Coppa Italia | 3 | 2 | 1 | 1 | 214 | - | - | - | - | - | - | » All matches |
| Eredivisie | 52 | 32 | 20 | 9 | 3.304 | 25 | 2 | 5 | - | - | - | » All matches |
| KNVB beker | 4 | 3 | 1 | - | 315 | 2 | - | - | - | - | - | » All matches |
| Super Cup | 1 | 1 | - | 1 | 91 | - | - | - | - | - | - | » All matches |
| Total | 517 | 279 | 238 | 142 | 28.143 | 110 | 5 | - | 15 | - | - |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| World Cup | 6 | 4 | 2 | 3 | 309 | - | - | - | - | - | - | » All matches |
| WC Qualifiers Africa | 12 | 4 | 8 | 4 | 495 | 2 | 1 | - | - | - | - | » All matches |
| Friendlies | 12 | 10 | 2 | 7 | 770 | 2 | 1 | - | - | - | - | » All matches |
| Olympic Games | 6 | 6 | - | 3 | 535 | 3 | - | - | - | - | - | » All matches |
 | Africa Cup | 27 | 18 | 9 | 7 | 1.852 | - | - | - | 1 | - | - | » All matches |
| Africa Cup Qual. | 3 | 2 | 1 | 1 | 189 | 1 | - | - | - | - | - | » All matches |
| Total | 66 | 44 | 22 | 25 | 4.150 | 8 | 2 | - | 1 | - | - |
