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| 2023-10-28 00:00:00 | St. Louis 5th Alarm | | Demoted | Joseph McDermott | Caracas Crocodiles |
| 2023-10-28 00:00:00 | Baltimore Miners | | Drop | Jordan Kamara | |
| 2023-10-28 00:00:00 | Salt Lake City Night Hawks | Jordan Mason | Add/Drop | | |
| 2023-10-28 00:00:00 | Salt Lake City Night Hawks | Colton Bragg | Add/Drop | | |
| 2023-10-27 08:39:19 | San Francisco Golden Gators | Javier Scott | Acquired via trade | Jacob Szatkowski | Las Vegas Dark Knights |
| 2023-10-27 07:53:07 | Salt Lake City Night Hawks | Sanjay Barra | Acquired via trade | Devon Owens | Chicago Hilltoppers |
| 2023-10-27 07:53:07 | Salt Lake City Night Hawks | | Acquired via trade | Joshua Brenton | Chicago Hilltoppers |
| 2023-10-27 07:53:07 | Salt Lake City Night Hawks | | Acquired via trade | Rogelio White | Chicago Hilltoppers |
| 2023-10-27 06:56:15 | Milwaukee Sundancers | Manuel Manning | Acquired via trade | 2nd round pick in season 38 | San Francisco Golden Gators |
| 2023-10-27 00:00:00 | Little Rock Fighting Farmers | | Promoted | Tyler Lague | San Francisco Golden Gators |
| 2023-10-27 00:00:00 | San Francisco Golden Gators | | Demoted | Javier Scott | Little Rock Fighting Farmers |
| 2023-10-27 00:00:00 | Salt Lake City Night Hawks | | Demoted | Joshua Greens | Toronto Huskies |
| 2023-10-27 00:00:00 | Clarksville River Bandits | | Promoted | Gavin Uffelman | Chicago Hilltoppers |
| 2023-10-25 00:00:00 | Cleveland Weasels | | Demoted | Brandon Scott | Pittsburgh Berserkers |
| 2023-10-25 00:00:00 | Pittsburgh Berserkers | | Promoted | Ethan Clark | Cleveland Weasels |
| 2023-10-25 00:00:00 | Cleveland Weasels | Brandon Scott | Add/Drop | Winston Hoag | |
| 2023-10-25 00:00:00 | San Francisco Golden Gators | Kyle Maynard | Add/Drop | | |
| 2023-10-24 13:49:00 | San Francisco Golden Gators | 2nd round pick in season 39 | Acquired via trade | Dale Charity | Houston Octopods |
| 2023-10-24 13:49:00 | San Francisco Golden Gators | | Acquired via trade | John Gunderson | Houston Octopods |
| 2023-10-24 13:28:19 | San Francisco Golden Gators | Jason Hancock | Acquired via trade | 2nd round pick in season 38 | Dallas Hounds |
| 2023-10-24 08:30:50 | San Francisco Golden Gators | Tyler Lague | Acquired via trade | German Thompson | Dallas Hounds |
| 2023-10-24 08:30:50 | San Francisco Golden Gators | Jaden Diperna | Acquired via trade | | Dallas Hounds |
| 2023-10-24 07:51:58 | Phoenix Kangaroos | John Thomas | Acquired via trade | 2nd round pick in season 38 | San Francisco Golden Gators |
| 2023-10-24 07:51:58 | Phoenix Kangaroos | 3rd round pick in season 38 | Acquired via trade | | San Francisco Golden Gators |
| 2023-10-24 07:32:03 | San Francisco Golden Gators | Ricardo James | Acquired via trade | William Simon | New York Warriors |