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| 2023-12-11 00:00:00 | Cleveland Weasels | | Demoted | Owen Butler | Pittsburgh Berserkers |
| 2023-12-11 00:00:00 | Santiago Sharks | | Promoted | Trevor Brewster | San Diego Sabercats |
| 2023-12-11 00:00:00 | San Diego Sabercats | | Drop | Richard Livingston | |
| 2023-12-11 00:00:00 | San Diego Sabercats | | Drop | Michael Taylor | |
| 2023-12-10 14:04:47 | Seattle Cougars | Jordan King | Acquired via trade | Carlos McDonald | San Diego Sabercats |
| 2023-12-10 00:00:00 | New York Warriors | | Demoted | Riley Moore | Hartford Hebrew Hammers |
| 2023-12-10 00:00:00 | New York Warriors | | Demoted | Daniel Colbert | Hartford Hebrew Hammers |
| 2023-12-10 00:00:00 | Las Vegas Dark Knights | | Drop | Jose Woods | |
| 2023-12-10 00:00:00 | Toronto Huskies | | Promoted | Joshua Greens | Salt Lake City Night Hawks |
| 2023-12-10 00:00:00 | Salt Lake City Night Hawks | | Demoted | Noah Todd | Toronto Huskies |
| 2023-12-10 00:00:00 | Salt Lake City Night Hawks | | Demoted | Christian Lawson | Toronto Huskies |
| 2023-12-10 00:00:00 | Chicago Hilltoppers | | Demoted | Alberto Gordon | Clarksville River Bandits |
| 2023-12-10 00:00:00 | Chicago Hilltoppers | | Demoted | Ethan Wilcox | Clarksville River Bandits |
| 2023-12-10 00:00:00 | Seattle Cougars | | Demoted | Jordan King | Vancouver Mounties |
| 2023-12-10 00:00:00 | San Diego Sabercats | | Drop | Zachary Daddio | |
| 2023-12-10 00:00:00 | San Diego Sabercats | | Drop | Ryley Bland | |
| 2023-12-09 00:00:00 | Kansas City Wildcats | | Demoted | Gage Pitts | Santa Fe Zeppelins |
| 2023-12-08 21:58:52 | Philadelphia Assassins | Juan Whobrey | Acquired via trade | 2nd round pick in season 39 | Las Vegas Dark Knights |
| 2023-12-08 21:58:52 | Philadelphia Assassins | | Acquired via trade | 3rd round pick in season 39 | Las Vegas Dark Knights |
| 2023-12-08 00:00:00 | San Diego Sabercats | | Demoted | Zachary Daddio | Santiago Sharks |
| 2023-12-08 00:00:00 | Las Vegas Dark Knights | | Demoted | Andrew Johnson | Knoxville Wampus Cats |
| 2023-12-08 00:00:00 | San Diego Sabercats | | Demoted | Joseph Whitaker | Santiago Sharks |
| 2023-12-08 00:00:00 | San Diego Sabercats | | Demoted | Andrew Joseph | Santiago Sharks |
| 2023-12-08 00:00:00 | San Diego Sabercats | | Demoted | Trevor Cogburn | Santiago Sharks |
| 2023-12-07 00:00:00 | Los Angeles Cacti | | Demoted | Paul Thomas | Quebec Buzz |