Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 11/2013 |  | Matthew Wiet | DF | |||
| 11/2013 | | Josh Wolff | AS-CO |  | D.C. United | DC United |
| 11/2013 | | Gregg Berhalter | MA | |||
| 09/2013 | | Brad Stuver | GK |  | New England Revolution | New Engl. |
| 09/2013 | | Brian Bliss | MA | |||
| 07/2013 | | Daniel Withrow | GK | |||
| 07/2013 | | Shawn Sloan | MF | |||
| 02/2013 | | Kyle Hyland | DF | |||
| 02/2013 |  | Konrad Warzycha | MF | |||
| 02/2013 |  | Matías Sánchez | MF | |||
| 02/2013 |  | Dominic Oduro | FW |  | Chicago Fire | Chicago Fire |
| 01/2013 |  | Drew Beckie | DF | |||
| 01/2013 | | Chad Barson | DF | |||
| 01/2013 |  | Gláuber | DF |  | Rapid Bucureşti | R. Bucureşti |
| 01/2013 | | Tyson Wahl | DF | |||
| 01/2013 | | Wil Trapp | MF |  | Akron Zips | Akron Zips |
| 01/2013 |  | Agustín Viana | MF |  | Bella Vista | Bella Vista |
| 01/2013 | | Ryan Finley | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2013 |  | Duncan Oughton | AS-CO |  | Toronto FC | Toronto FC |
| 02/2013 | | Dilly Duka | MF | | Chicago Fire | Chicago Fire |
| 01/2013 | | Carlos Mendes | DF |  | New York Cosmos | Cosmos |
| 01/2013 |  | Sebastián Miranda | DF |  | Everton | Everton |
| 01/2013 |  | Nemanja Vuković | DF |  | OFK Titograd | Titograd |
| 01/2013 | | Cole Grossman | MF |  | Real Salt Lake | Salt Lake |
| 01/2013 | | Milovan Mirosevic | MF |  | Universidad Católica | U. Católica |
| 01/2013 |  | Emilio Rentería | FW |  | Defensor Sporting | Defensor |
| 01/2013 |  | Olman Vargas | FW |  | CS Herediano | CS Herediano |