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| 2024-04-11 00:00:00 | Denver Ferris Wheels | | Demoted | Hunter Marshall | Mexico City Aztecs |
| 2024-04-11 00:00:00 | San Diego Sabercats | | Demoted | Ryan Peterson | Santiago Sharks |
| 2024-04-11 00:00:00 | San Diego Sabercats | | Demoted | Robert Kwiatkowski | Santiago Sharks |
| 2024-04-11 00:00:00 | Seattle Cougars | | Demoted | Michael Thomas | Vancouver Mounties |
| 2024-04-11 00:00:00 | Cleveland Weasels | | Demoted | Christian Clark | Pittsburgh Berserkers |
| 2024-04-10 00:00:00 | Philadelphia Assassins | | Drop | Tanner Wright | |
| 2024-04-10 00:00:00 | Las Vegas Dark Knights | | Demoted | Ryan Reed | Knoxville Wampus Cats |
| 2024-04-09 00:00:00 | Boston Bannerman | | Demoted | Joshua Swain | Birmingham Venom |
| 2024-04-09 00:00:00 | Boston Bannerman | | Demoted | Daniel Brink | Birmingham Venom |
| 2024-04-09 00:00:00 | New Orleans Hurricanes | | Demoted | Noah Jarrett | Detroit Gear Daddies |
| 2024-04-08 00:00:00 | San Juan Devils | | Promoted | Tyler James | Phoenix Kangaroos |
| 2024-04-08 00:00:00 | San Juan Devils | | Promoted | Alejandro Kessler | Phoenix Kangaroos |
| 2024-04-08 00:00:00 | Cleveland Weasels | | Drop | Christian Clark | |
| 2024-04-08 00:00:00 | San Francisco Golden Gators | | Drop | Carson Stroman | |
| 2024-04-08 00:00:00 | Salt Lake City Night Hawks | | Demoted | Faustino Hamblin | Toronto Huskies |
| 2024-04-08 00:00:00 | Toronto Huskies | | Promoted | Dante Christal | Salt Lake City Night Hawks |
| 2024-04-08 00:00:00 | Kansas City Wildcats | | Demoted | Craig Robison | Santa Fe Zeppelins |
| 2024-04-07 00:00:00 | Cleveland Weasels | | Demoted | Christian Clark | Pittsburgh Berserkers |
| 2024-04-07 00:00:00 | Las Vegas Dark Knights | | Demoted | Lucas Coleman | Knoxville Wampus Cats |
| 2024-04-07 00:00:00 | Chicago Hilltoppers | | Demoted | Maxwell Torres | Clarksville River Bandits |
| 2024-04-07 00:00:00 | St. Louis 5th Alarm | | Demoted | Christopher Lloyd | Caracas Crocodiles |
| 2024-04-05 15:55:22 | Las Vegas Dark Knights | 2nd round pick in season 39 | Acquired via trade | 2nd round pick in season 40 | Philadelphia Assassins |
| 2024-04-05 00:00:00 | Santiago Sharks | | Promoted | Liam Stockstill | San Diego Sabercats |
| 2024-04-05 00:00:00 | San Diego Sabercats | | Demoted | Seth Hunter | Santiago Sharks |
| 2024-04-05 00:00:00 | Santiago Sharks | | Promoted | Joseph Whitaker | San Diego Sabercats |