| # | Name | Team | Pos | HT | WT | DOB | Hometown |
| 24 | Antonio Rago | FC Edmonton | D | 5-8 | 165 | 11/05/1990 | Edmonton, Alberta |
| 21 | Walter Ramirez | San Antonio Scorpions | M | 5-9 | 152 | 11/07/1983 | Tegicigalpa, Honduras |
| 6 | Hosman Ramos | Fort Lauderdale Strikers | M | 5-7 | 145 | 08/26/1989 | Miami, FL |
| 2 | Mike Randolph | Atlanta Silverbacks | D | 5-7 | 175 | 12/03/1985 | Chino Hills, Calif. |
| 8 | Michael Reed | Minnesota United FC | M | 6-0 | 165 | 01/21/1988 | |
| 4 | Bobby Reiss | Atlanta Silverbacks | D | 6-1 | 185 | 09/30/1990 | Palmdale, Calif. |
| 10 | Walter Restrepo | Fort Lauderdale Strikers | M | 5-8 | 169 | 06/21/1988 | San Diego, CA |
| 24 | Diego Restrepo | Tampa Bay Rowdies | GK | 6-0 | 185 | 02/25/1988 | Merida, Venezuela |
| 15 | Mallan Roberts | FC Edmonton | D | 6-2 | 186 | 06/06/1992 | Freetown, Sierra Leone |
| 32 | Lucas Rodriguez | Minnesota United FC | M | 5-8 | 140 | 02/08/1986 | Buenos Aires, Argentina |
| 24 | Scott Rojo | Atlanta Silverbacks | M | 5-6 | 140 | 04/04/1989 | Houston, Texas |
| 16 | Kevin Rutkiewicz | Carolina RailHawks | D | 6-1 | 180 | 05/10/1980 | Glasgow, Scotland |