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| 2008-04-24 15:42:00 | Seattle Cougars | Russell Alvarez | Acquired via trade | Dante Jacobs | St. Louis 5th Alarm |
| 2008-04-24 15:40:00 | Seattle Cougars | 1st round pick in season 19 | Acquired via trade | 1st round pick in season 21 | Charlotte Rangers |
| 2008-04-24 15:40:00 | Seattle Cougars | 3rd round pick in season 19 | Acquired via trade | | Charlotte Rangers |
| 2008-04-24 15:40:00 | Seattle Cougars | 3rd round pick in season 19 | Acquired via trade | | Charlotte Rangers |
| 2008-04-24 15:30:00 | Salt Lake City Night Hawks | 1st round pick in season 20 | Acquired via trade | Albert Ransdell | Houston Octopods |
| 2008-04-24 15:30:00 | Salt Lake City Night Hawks | 1st round pick in season 21 | Acquired via trade | 2nd round pick in season 19 | Houston Octopods |
| 2008-04-24 15:30:00 | Salt Lake City Night Hawks | Wm Best | Acquired via trade | Raphael Zabel | Houston Octopods |
| 2008-04-24 15:30:00 | Salt Lake City Night Hawks | Justin Phair | Acquired via trade | Mathew Maier | Houston Octopods |
| 2008-04-24 15:30:00 | Salt Lake City Night Hawks | Ed Chavez | Acquired via trade | | Houston Octopods |
| 2008-04-24 15:28:00 | Houston Octopods | Shane Black | Acquired via trade | Conrad Dale | Dallas Hounds |
| 2008-04-24 15:28:00 | Houston Octopods | 1st round pick in season 19 | Acquired via trade | Orlando Best | Dallas Hounds |
| 2008-04-24 15:26:00 | Indianapolis Tornadoes | 1st round pick in season 19 | Acquired via trade | 1st round pick in season 20 | Charlotte Rangers |
| 2008-04-24 15:26:00 | Indianapolis Tornadoes | 2nd round pick in season 19 | Acquired via trade | 2nd round pick in season 21 | Charlotte Rangers |
| 2008-04-24 15:24:00 | Dallas Hounds | Horton Horton | Acquired via trade | 1st round pick in season 20 | Atlanta Eels |
| 2008-04-24 15:24:00 | Dallas Hounds | 1st round pick in season 19 | Acquired via trade | 2nd round pick in season 20 | Atlanta Eels |
| 2008-04-24 15:24:00 | Dallas Hounds | 2nd round pick in season 19 | Acquired via trade | | Atlanta Eels |
| 2008-04-24 15:22:00 | Dallas Hounds | Marvin Dobson | Acquired via trade | 1st round pick in season 20 | Cleveland Weasels |
| 2008-04-24 15:22:00 | Dallas Hounds | Todd Stern | Acquired via trade | Kristopher Diaz | Cleveland Weasels |
| 2008-04-24 15:22:00 | Dallas Hounds | 1st round pick in season 20 | Acquired via trade | | Cleveland Weasels |
| 2008-04-24 15:20:00 | Dallas Hounds | Eton Rubin | Acquired via trade | Miguel Lawson | Louisville Colonels |
| 2008-03-25 10:18:26 | Atlanta Eels | | Drop | Johnnie Zimlich | |
| 2008-03-24 09:35:50 | Louisville Colonels | | Demoted | Marcel Waterbury | Buffalo Bombers |
| 2008-03-24 09:35:08 | Buffalo Bombers | | Promoted | Marcel Waterbury | Louisville Colonels |
| 2008-03-23 16:27:14 | St. Louis 5th Alarm | | Demoted | Kenneth Curry | Caracas Crocodiles |
| 2008-03-23 16:26:42 | Caracas Crocodiles | | Promoted | Wilton Feldt | St. Louis 5th Alarm |