Career as a coach
| Period | Team | Country | Position | |
|---|---|---|---|---|
| 05/2019 - 05/2019 |  | New England Revolution |  USA | Manager |
| 11/2017 - 05/2019 | | New England Revolution | USA | Ass. Coach |
| 01/2006 - 12/2013 |  | Columbus Crew | USA | Ass. Coach |
Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 06/1997 - 12/2002 | | Columbus Crew | USA | Defence | |
| 07/1995 - 05/1997 |  | Southend United |  England | Defence | |
| 07/1994 - 06/1995 |  | VfL Wolfsburg |  Germany | Defence | |
| 01/1988 - 12/1991 |  | UCLA Bruins | USA | Defence |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2. Bundesliga | 16 | 16 | - | 2 | 1.370 | 1 | - | - | 3 | - | - | » All matches |
| DFB-Pokal | 2 | 2 | - | - | 210 | - | - | - | - | - | - | » All matches |
| Championship | 28 | 23 | 5 | 2 | 2.103 | 1 | - | - | - | - | - | » All matches |
| League Cup | 3 | 3 | - | 1 | 167 | - | - | - | - | - | 1 | » All matches |
| Major League Soccer | 121 | 110 | 11 | 15 | 8.854 | 5 | - | - | 17 | - | 1 | » All matches |
| Total | 170 | 154 | 16 | 20 | 12.704 | 7 | - | - | 20 | - | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Friendlies | 37 | 35 | 2 | 4 | 3.057 | 1 | - | - | - | - | - | » All matches |
| Olympic Games | 3 | 3 | - | - | 270 | - | - | - | 2 | - | - | » All matches |
| Confederations Cup | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
 | Copa América | 3 | 3 | - | - | 270 | - | - | - | 1 | - | - | » All matches |
| Total | 45 | 43 | 2 | 4 | 3.777 | 1 | - | - | 3 | - | - |