Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2009 |  | Abe Thompson | FW |  | Sporting Kansas City | Kansas City |
| 08/2009 | | Ryan Cochrane | DF |  | San Jose Earthquakes | Earthquakes |
| 08/2009 |  | Luis Landín | FW |  | Cruz Azul | Cruz Azul |
| 06/2009 | | Cameron Weaver | FW | | San Jose Earthquakes | Earthquakes |
| 05/2009 |  | Dominic Oduro | FW |  | New York RB | New York RB |
| 04/2009 |  | André Hainault | DF | |||
| 03/2009 |  | Ade Akinbiyi | FW |  | Burnley FC | Burnley |
| 02/2009 | | Tyler Deric | GK | |||
| 01/2009 | | Danny Cruz | MF | |||
| 01/2009 | | Tally Hall | GK |  | Esbjerg fB | Esbjerg fB |
| 01/2009 |  | Julius James | DF |  | Toronto FC | Toronto FC |
| 01/2009 | | Felix Garcia | FW | |||
| 01/2009 |  | Paul Dalglish | AS-CO | |||
| 01/2009 | | Tim Hanley | GK-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2009 | | Ade Akinbiyi | FW |  | Notts County | Notts County |
| 09/2009 |  | Kei Kamara | FW | | Sporting Kansas City | Kansas City |
| 08/2009 | | Julius James | DF |  | D.C. United | DC United |
| 06/2009 | | Chris Wondolowski | FW | | San Jose Earthquakes | Earthquakes |
| 01/2009 | | Patrick Ianni | DF |  | Seattle Sounders | Seattle SFC |
| 01/2009 | | Dwayne De Rosario | FW | | Toronto FC | Toronto FC |
| 01/2009 |  | James Georgeff | FW |  | FC Arouca | FC Arouca |
| 01/2009 | | Nate Jaqua | FW | | Seattle Sounders | Seattle SFC |