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| 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 |
| 2008-03-23 16:15:34 | St. Louis 5th Alarm | | Demoted | Elwin Schultz | Caracas Crocodiles |
| 2008-03-23 16:15:18 | Caracas Crocodiles | | Promoted | Emil Sorrell | St. Louis 5th Alarm |
| 2008-03-20 23:02:44 | Dallas Hounds | | Drop | Keyduan Dweilling | |
| 2008-03-18 00:38:08 | St. Louis 5th Alarm | | Demoted | Willard Wilcox | Caracas Crocodiles |
| 2008-03-18 00:37:46 | St. Louis 5th Alarm | | Demoted | Robert Jones | Caracas Crocodiles |
| 2008-03-18 00:37:30 | Caracas Crocodiles | | Promoted | Kenneth Curry | St. Louis 5th Alarm |
| 2008-03-18 00:36:58 | Caracas Crocodiles | | Promoted | Elwin Schultz | St. Louis 5th Alarm |
| 2008-03-18 00:30:20 | St. Louis 5th Alarm | | Demoted | Hans Crist | Caracas Crocodiles |
| 2008-03-18 00:29:24 | Caracas Crocodiles | | Promoted | Neil Coker | St. Louis 5th Alarm |
| 2008-03-18 00:29:10 | St. Louis 5th Alarm | | Demoted | Emil Sorrell | Caracas Crocodiles |
| 2008-03-18 00:28:50 | Caracas Crocodiles | | Promoted | Walter Ballard | St. Louis 5th Alarm |
| 2008-03-17 18:10:52 | Hartford Hebrew Hammers | | Promoted | Rex Frantz | New York Warriors |
| 2008-03-16 02:18:22 | St. Louis 5th Alarm | | Drop | William Lax | |