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| 2004-08-31 19:24:44 | Sacramento Rainbow Trout | Armon Montgomery | Add/Drop | | |
| 2004-08-31 19:24:04 | Sacramento Rainbow Trout | LeRoy Worthington | Add/Drop | | |
| 2004-08-31 17:04:04 | Syracuse River Rats | Javier Nett | Add/Drop | | |
| 2004-08-31 16:18:26 | Quebec Buzz | | Drop | Flip Reyes | |
| 2004-08-31 15:06:56 | San Antonio Brothas | | Drop | Sean Watts | |
| 2004-08-31 12:59:02 | Sao Paulo Jackalopes | | Drop | Alan Patrick | |
| 2004-08-31 08:38:40 | Green Bay Miners | Timmy Jacobs | Add/Drop | Timmy Gentile | |
| 2004-08-31 07:56:18 | Jacksonville Speed | | Drop | Jorge Little | |
| 2004-08-31 06:21:16 | Orlando Bombers | | Drop | Harold Tucker | |
| 2004-08-31 06:15:56 | Baltimore Miners | | Drop | Carlton Moll | |
| 2004-08-31 06:00:52 | Baltimore Miners | | Drop | Daniel Penick | |
| 2004-08-30 17:30:00 | Memphis Express | Anthony Steinmetz | Acquired via trade | 2nd round pick in season 09 | Minneapolis Bricklayers |
| 2004-08-30 17:20:00 | Houston Octopods | 1st round pick in season 09 | Acquired via trade | Rayshard Crowe | Baltimore Miners |
| 2004-08-30 17:10:00 | Atlanta Eels | 2nd round pick in season 09 | Acquired via trade | Erik Carr | San Antonio Brothas |
| 2004-08-30 17:10:00 | Atlanta Eels | 3rd round pick in season 09 | Acquired via trade | Mathew Mudd | San Antonio Brothas |
| 2004-08-30 17:00:00 | Milwaukee Sundancers | 2nd round pick in season 09 | Acquired via trade | Alec Pfeiffer | San Antonio Brothas |
| 2004-08-30 17:00:00 | Milwaukee Sundancers | 2nd round pick in season 10 | Acquired via trade | | San Antonio Brothas |
| 2004-08-30 16:16:28 | Santa Fe Zeppelins | Axel Kemper | Add/Drop | Barrett Mumford | |
| 2004-08-30 16:14:14 | Santa Fe Zeppelins | Thad McAtee | Add/Drop | Clark Weathers | |
| 2004-08-30 16:12:34 | Santa Fe Zeppelins | Barney Farrow | Add/Drop | Gerard Edgerton | |
| 2004-08-30 06:49:02 | Salt Lake City Night Hawks | | Drop | Nikolas Reagan | |
| 2004-08-30 00:04:18 | San Antonio Brothas | | Drop | Lee Oates | |
| 2004-08-29 21:29:56 | San Juan Devils | | Drop | Ty Peterson | |
| 2004-08-29 21:29:38 | San Juan Devils | | Drop | Morty Grass | |
| 2004-08-29 09:37:32 | Charlotte Rangers | | Drop | Todd Saxton | |