| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 5 | Toronto FC | 09-08-2008 | League Section | Match details |
| 4 | New England Revolution | 12-04-2008 | League Section | Match details |
| 3 | Real Salt Lake | 29-08-2008 | League Section | Match details |
| 3 | San Jose Earthquakes | 12-07-2008 | League Section | Match details |
| 3 | Los Angeles Galaxy | 07-06-2008 | League Section | Match details |
