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| 2003-08-23 01:25:20 | South Dakota Blackhawks | Glen Flint | Add/Drop | | |
| 2003-08-23 00:35:54 | Quebec Buzz | | Drop | Glen Flint | |
| 2003-08-21 20:00:00 | Los Angeles Cacti | 2nd round pick in season 06 | Acquired via trade | Cal Courtney | Philadelphia Assassins |
| 2003-08-18 20:00:00 | Sacramento Rainbow Trout | Jay Parsley | Acquired via trade | 2nd round pick in season 05 | Las Vegas Dark Knights |
| 2003-08-17 04:00:00 | Seattle Cougars | 1st round pick in season 05 | Acquired via trade | 1st round pick in season 05 | Los Angeles Cacti |
| 2003-08-17 04:00:00 | Seattle Cougars | 2nd round pick in season 05 | Acquired via trade | 2nd round pick in season 05 | Los Angeles Cacti |
| 2003-08-17 04:00:00 | Seattle Cougars | Clem Owsley | Acquired via trade | | Los Angeles Cacti |
| 2003-08-16 10:30:00 | Baltimore Miners | Reuben Jewell | Acquired via trade | Marcel Beam | Phoenix Kangaroos |
| 2003-08-16 10:30:00 | Baltimore Miners | 1st round pick in season 06 | Acquired via trade | | Phoenix Kangaroos |
| 2003-08-16 10:00:00 | Minneapolis Bricklayers | Elgin George | Acquired via trade | Dakota Neville | Phoenix Kangaroos |
| 2003-08-16 10:00:00 | Minneapolis Bricklayers | 2nd round pick in season 05 | Acquired via trade | | Phoenix Kangaroos |
| 2003-08-16 10:00:00 | Minneapolis Bricklayers | 2nd round pick in season 06 | Acquired via trade | | Phoenix Kangaroos |
| 2003-08-16 09:00:00 | Orlando Bombers | Wayne Gary | Acquired via trade | Spencer Downey | Los Angeles Cacti |
| 2003-08-16 09:00:00 | Orlando Bombers | 1st round pick in season 06 | Acquired via trade | | Los Angeles Cacti |
| 2003-08-16 08:30:00 | Atlanta Eels | Nathaniel Keane | Acquired via trade | | Boston Bannerman |
| 2003-08-16 08:30:00 | Atlanta Eels | LeRoy Suell | Acquired via trade | | San Antonio Brothas |
| 2003-08-16 08:30:00 | Atlanta Eels | 2nd round pick in season 05 | Acquired via trade | | Philadelphia Assassins |
| 2003-08-16 08:30:00 | Boston Bannerman | 1st round pick in season 05 | Acquired via trade | | San Antonio Brothas |
| 2003-08-16 08:30:00 | San Antonio Brothas | Alvin Redmon | Acquired via trade | | Philadelphia Assassins |
| 2003-08-16 08:30:00 | San Antonio Brothas | Fairleigh Bickel | Acquired via trade | | Atlanta Eels |
| 2003-08-16 08:30:00 | Philadelphia Assassins | James Roman | Acquired via trade | | San Antonio Brothas |
| 2003-08-16 08:20:00 | Seattle Cougars | 1st round pick in season 05 | Acquired via trade | Tyler Byrne | Denver Ferris Wheels |
| 2003-08-16 08:10:00 | San Francisco Golden Gators | Hunter Geoghegan | Acquired via trade | 2nd round pick in season 05 | New York Warriors |
| 2003-08-16 08:00:00 | Sacramento Rainbow Trout | Irvin Hornback | Acquired via trade | Rod Cundiff | Chicago Hilltoppers |
| 2003-08-16 08:00:00 | Sacramento Rainbow Trout | 2nd round pick in season 06 | Acquired via trade | 1st round pick in season 05 | Chicago Hilltoppers |