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| 2008-08-24 12:00:00 | New York Warriors | 1st round pick in season 20 | Acquired via trade | | Salt Lake City Night Hawks |
| 2008-08-24 12:00:00 | New York Warriors | 2nd round pick in season 21 | Acquired via trade | | Salt Lake City Night Hawks |
| 2008-08-24 11:43:44 | St. Louis 5th Alarm | | Demoted | Dick Nye | Caracas Crocodiles |
| 2008-08-24 11:43:38 | St. Louis 5th Alarm | | Demoted | Brock Stamps | Caracas Crocodiles |
| 2008-08-24 11:43:30 | St. Louis 5th Alarm | | Demoted | Kevin Pratt | Caracas Crocodiles |
| 2008-08-24 08:25:44 | Syracuse River Rats | | Promoted | Albert Oneal | Houston Octopods |
| 2008-08-24 08:14:02 | Houston Octopods | | Demoted | Jackson Butcher | Syracuse River Rats |
| 2008-08-24 08:13:38 | Houston Octopods | | Demoted | Randal Vanwagenen | Syracuse River Rats |
| 2008-08-24 08:13:04 | Houston Octopods | | Demoted | Cleveland Guerra | Syracuse River Rats |
| 2008-08-24 03:39:50 | Los Angeles Cacti | | Demoted | Marcus Sutcliffe | Quebec Buzz |
| 2008-08-24 03:39:22 | Los Angeles Cacti | | Demoted | Kirk Mckenney | Quebec Buzz |
| 2008-08-23 18:18:28 | Salt Lake City Night Hawks | | Demoted | Dirk Dawson | Toronto Huskies |
| 2008-08-23 18:18:12 | Salt Lake City Night Hawks | | Demoted | Erin Brothers | Toronto Huskies |
| 2008-08-23 10:45:50 | Mexico City Aztecs | | Promoted | Eugene Varghese | Denver Ferris Wheels |
| 2008-08-22 13:54:06 | Louisville Colonels | | Demoted | John Stockman | Buffalo Bombers |
| 2008-08-22 13:53:48 | Louisville Colonels | | Demoted | Dennis Demar | Buffalo Bombers |
| 2008-08-22 13:53:30 | Louisville Colonels | | Demoted | George Teske | Buffalo Bombers |
| 2008-08-22 11:26:00 | Ottawa Mt. Hawks | | Promoted | Leandro Burchfield | Orlando Bombers |
| 2008-08-22 11:25:34 | Ottawa Mt. Hawks | | Promoted | Marveau Brown | Orlando Bombers |
| 2008-08-22 08:58:40 | Milwaukee Sundancers | | Drop | Marvin Dobson | |
| 2008-08-22 08:56:56 | Milwaukee Sundancers | | Drop | Danny Conner | |
| 2008-08-22 08:55:10 | Milwaukee Sundancers | | Drop | Kenneth Orourke | |
| 2008-08-22 08:41:26 | Milwaukee Sundancers | | Drop | Blaine Fry | |
| 2008-08-22 08:18:44 | Montreal Ice Cats | | Promoted | Ted Cureton | Portland Hipsters |
| 2008-08-22 08:16:08 | Portland Hipsters | | Demoted | Joshua Presson | Montreal Ice Cats |