Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 12/2021 - 11/2022 |  | Charleston Battery |  USA | Manager |
| 01/2017 - 12/2018 |  | Colorado Rapids | USA | Ass. Coach |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 01/2016 - 12/2016 |  | Columbus Crew | USA | Forward | 27 |
| 01/2013 - 12/2015 |  | Philadelphia Union | USA | Forward | 6 |
| 01/2008 - 12/2012 | | Colorado Rapids | USA | Forward | 9 |
| 04/2007 - 12/2007 | | Colorado Rapids | USA | Forward | 26 |
| 03/2007 - 04/2007 |  | Toronto FC |  Canada | Forward | 9 |
| 07/2004 - 02/2007 |  | 1. FSV Mainz 05 |  Germany | Forward | 21 |
| 10/2006 - 11/2006 |  | 1. FSV Mainz 05 II | Germany | Forward | |
| 07/2003 - 06/2004 |  | Karlsruher SC | Germany | Forward | 9 |
| 07/2002 - 06/2003 |  | Hannover 96 | Germany | Forward | 7 |
| 10/2001 - 06/2002 | | Hannover 96 | Germany | Forward | 32 |
| 07/2001 - 10/2001 |  | Borussia Dortmund | Germany | Forward | 30 |
| 07/2000 - 10/2001 |  | Borussia Dortmund II | Germany | Forward | |
| 07/2000 - 06/2001 | | Borussia Dortmund | Germany | Forward | 40 |
| 01/1999 - 06/2000 |  | Portland Pilots | USA | Forward |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bundesliga | 44 | 18 | 26 | 7 | 1.942 | 4 | - | 3 | 6 | - | - | » All matches |
| 2. Bundesliga | 49 | 41 | 8 | 14 | 3.564 | 21 | - | 3 | 8 | 1 | - | » All matches |
| DFB-Pokal | 5 | 3 | 2 | 1 | 350 | 2 | - | - | - | - | - | » All matches |
| Regionalliga Nord | 10 | 9 | 1 | 4 | 780 | 2 | - | - | - | - | 1 | » All matches |
| Oberliga Südwest (1983-2012) | 2 | 2 | - | 2 | 130 | 1 | - | - | - | - | - | » All matches |
| Major League Soccer | 199 | 150 | 49 | 64 | 13.162 | 73 | 11 | - | 42 | 1 | 2 | » All matches |
| U.S. Open Cup | 3 | 2 | 1 | 1 | 161 | - | - | - | 1 | - | 1 | » All matches |
| Total | 312 | 225 | 87 | 93 | 20.089 | 103 | 11 | 6 | 57 | 2 | 4 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WC Qualifiers CONCACAF | 7 | 6 | 1 | 6 | 408 | 2 | - | - | 2 | - | - | » All matches |
| Friendlies | 7 | 5 | 2 | 4 | 369 | - | - | - | - | - | - | » All matches |
| Olympic Games | 6 | 6 | - | 1 | 510 | - | - | - | 2 | - | - | » All matches |
| Confederations Cup | 4 | - | 4 | - | 64 | - | - | - | - | - | - | » All matches |
 | Gold Cup | 1 | 1 | - | 1 | 65 | - | - | - | - | - | - | » All matches |
| Total | 25 | 18 | 7 | 12 | 1.416 | 2 | - | - | 4 | - | - | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U20 World Cup | 3 | 2 | 1 | 2 | 160 | - | - | - | 1 | - | - | » All matches |
| Total | 3 | 2 | 1 | 2 | 160 | - | - | - | 1 | - | - |