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| 2023-12-04 00:00:00 | San Diego Sabercats | | Demoted | Alexis Monroe | Santiago Sharks |
| 2023-12-04 00:00:00 | San Diego Sabercats | | Demoted | Dylan Killough | Santiago Sharks |
| 2023-12-04 00:00:00 | Quebec Buzz | | Promoted | Cameron Greco | Los Angeles Cacti |
| 2023-12-04 00:00:00 | Los Angeles Cacti | | Demoted | Giovanni Thomsen | Quebec Buzz |
| 2023-12-03 20:55:43 | San Francisco Golden Gators | Daemon Goldsberry | Acquired via trade | 2nd round pick in season 38 | Seattle Cougars |
| 2023-12-03 20:44:55 | St. Louis 5th Alarm | 2nd round pick in season 38 | Acquired via trade | Kevin Rushing | Cleveland Weasels |
| 2023-12-03 20:44:55 | St. Louis 5th Alarm | | Acquired via trade | 3rd round pick in season 38 | Cleveland Weasels |
| 2023-12-03 20:38:41 | Philadelphia Assassins | Jeffery Carr | Acquired via trade | 2nd round pick in season 38 | Kansas City Wildcats |
| 2023-12-03 04:54:02 | Houston Octopods | Bill King | Acquired via trade | 2nd round pick in season 38 | Orlando Bombers |
| 2023-12-03 04:54:02 | Houston Octopods | 3rd round pick in season 38 | Acquired via trade | | Orlando Bombers |
| 2023-12-03 00:00:00 | St. Louis 5th Alarm | | Demoted | Riley Chester | Caracas Crocodiles |
| 2023-12-03 00:00:00 | Vancouver Mounties | | Promoted | Devin Vandal | Seattle Cougars |
| 2023-12-03 00:00:00 | Seattle Cougars | | Demoted | Bryon Marcucci | Vancouver Mounties |
| 2023-12-03 00:00:00 | Kansas City Wildcats | | Demoted | Ricardo Parker | Santa Fe Zeppelins |
| 2023-12-03 00:00:00 | Cincinnati Skyliners | | Demoted | Trinidad Wright | Sao Paulo Jackalopes |
| 2023-12-03 00:00:00 | Santa Fe Zeppelins | | Promoted | Jeffery Carr | Kansas City Wildcats |
| 2023-12-03 00:00:00 | Ottawa Mt. Hawks | | Promoted | Jack Hunter | Orlando Bombers |
| 2023-12-03 00:00:00 | Orlando Bombers | | Demoted | Richard Orenstein | Ottawa Mt. Hawks |
| 2023-12-03 00:00:00 | Orlando Bombers | | Demoted | Cole Knouse | Ottawa Mt. Hawks |
| 2023-12-03 00:00:00 | Orlando Bombers | | Drop | Jonathan Lewis | |
| 2023-12-02 15:57:41 | Atlanta Eels | Justin Cox | Acquired via trade | 2nd round pick in season 38 | San Diego Sabercats |
| 2023-12-02 15:57:41 | Atlanta Eels | | Acquired via trade | 3rd round pick in season 38 | San Diego Sabercats |
| 2023-12-02 00:00:00 | Phoenix Kangaroos | | Demoted | Seth Lane | San Juan Devils |
| 2023-12-02 00:00:00 | Mexico City Aztecs | | Promoted | Marshall Gilmore | Denver Ferris Wheels |
| 2023-12-02 00:00:00 | Denver Ferris Wheels | | Demoted | Dakota Rogers | Mexico City Aztecs |