| Yellow | VS Club | Date | |
|---|---|---|---|
| 4 | Sporting Kansas City | 05-05-2012 | Match details |
| 3 | Toronto FC | 20-10-2012 | Match details |
| 3 | New England Revolution | 12-08-2012 | Match details |
| 3 | Sporting Kansas City | 04-07-2012 | Match details |
| 3 | DC United | 30-06-2012 | Match details |
| 3 | Toronto FC | 27-06-2012 | Match details |
