| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 3 | Houston Dynamo | 24-08-2008 | League Section | Match details |
| 3 | DC United | 10-08-2008 | League Section | Match details |
| 3 | Chivas USA | 28-06-2008 | League Section | Match details |
| 3 | DC United | 14-06-2008 | League Section | Match details |
| 3 | Houston Dynamo | 31-05-2008 | League Section | Match details |
