| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 4 | Chicago Fire | 22-10-2011 | League Section | Match details |
| 4 | FC Dallas | 02-07-2011 | League Section | Match details |
| 4 | Toronto FC | 23-04-2011 | League Section | Match details |
| 3 | Los Angeles Galaxy | 24-09-2011 | League Section | Match details |
| 3 | Philadelphia Union | 20-08-2011 | League Section | Match details |
| 3 | New England Revolution | 13-08-2011 | League Section | Match details |
