| 2025-12-13 00:00:00 | Phoenix Kangaroos | | Demoted | Alexander Pierce | San Juan Devils |
| 2025-12-13 00:00:00 | Philadelphia Assassins | | Demoted | Amani Doyle | South Dakota Blackhawks |
| 2025-12-13 00:00:00 | South Dakota Blackhawks | | Promoted | Dylan Daniels | Philadelphia Assassins |
| 2025-12-13 00:00:00 | South Dakota Blackhawks | | Promoted | Miguel Aikens | Philadelphia Assassins |
| 2025-12-13 00:00:00 | South Dakota Blackhawks | | Promoted | Drew Smith | Philadelphia Assassins |
| 2025-12-13 00:00:00 | Philadelphia Assassins | | Demoted | Joseph Collins | South Dakota Blackhawks |
| 2025-12-13 00:00:00 | Philadelphia Assassins | | Demoted | Joshua Hocking | South Dakota Blackhawks |
| 2025-12-13 00:00:00 | Denver Ferris Wheels | | Demoted | Jackson Brazile | Mexico City Aztecs |
| 2025-12-11 05:53:43 | St. Louis 5th Alarm | 2nd round pick in season 45 | Acquired via trade | Jason Taylor | Boston Bannerman |
| 2025-12-11 05:53:43 | St. Louis 5th Alarm | | Acquired via trade | 3rd round pick in season 44 | Boston Bannerman |
| 2025-12-11 05:53:43 | St. Louis 5th Alarm | | Acquired via trade | 3rd round pick in season 45 | Boston Bannerman |
| 2025-12-11 00:00:00 | San Diego Sabercats | | Demoted | Chaz Ketron | Santiago Sharks |
| 2025-12-11 00:00:00 | St. Louis 5th Alarm | | Demoted | Christopher Mendell | Caracas Crocodiles |
| 2025-12-10 00:00:00 | Buenos Aires Eagles | | Promoted | Andrew Moore | Indianapolis Tornadoes |
| 2025-12-10 00:00:00 | Indianapolis Tornadoes | | Demoted | Jonathan Maley | Buenos Aires Eagles |
| 2025-12-09 19:11:03 | Seattle Cougars | 2nd round pick in season 45 | Acquired via trade | 2nd round pick in season 44 | Memphis Express |
| 2025-12-09 14:20:12 | San Diego Sabercats | 2nd round pick in season 44 | Acquired via trade | 2nd round pick in season 45 | Miami Macho Men |
| 2025-12-09 00:00:00 | San Diego Sabercats | | Demoted | Johnny Carter | Santiago Sharks |
| 2025-12-08 09:19:45 | St. Louis 5th Alarm | 2nd round pick in season 44 | Acquired via trade | 2nd round pick in season 44 | Portland Hipsters |
| 2025-12-08 09:19:45 | St. Louis 5th Alarm | 2nd round pick in season 45 | Acquired via trade | Omar Tumlinson | Portland Hipsters |
| 2025-12-08 00:00:00 | St. Louis 5th Alarm | | Demoted | Kevin Hunt | Caracas Crocodiles |
| 2025-12-08 00:00:00 | St. Louis 5th Alarm | | Demoted | David Carson | Caracas Crocodiles |
| 2025-12-08 00:00:00 | Caracas Crocodiles | | Promoted | David Carson | St. Louis 5th Alarm |
| 2025-12-08 00:00:00 | Caracas Crocodiles | | Promoted | Fletcher Wood | St. Louis 5th Alarm |
| 2025-12-07 00:00:00 | Salt Lake City Night Hawks | | Demoted | Jonathan Beard | Toronto Huskies |