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| 2023-10-15 00:00:00 | Philadelphia Assassins | Adam Gillis | Add/Drop | | |
| 2023-10-14 00:00:00 | Denver Ferris Wheels | Alec Black | Add/Drop | | |
| 2023-10-14 00:00:00 | New Orleans Hurricanes | | Demoted | James Wiley | Detroit Gear Daddies |
| 2023-10-13 00:00:00 | Los Angeles Cacti | | Demoted | Cameron Greco | Quebec Buzz |
| 2023-10-13 00:00:00 | Quebec Buzz | | Promoted | Cameron Greco | Los Angeles Cacti |
| 2023-10-12 19:48:42 | San Francisco Golden Gators | 3rd round pick in season 38 | Acquired via trade | Jason Sierra | Houston Octopods |
| 2023-10-12 11:52:03 | San Francisco Golden Gators | Joel Morrison | Acquired via trade | 3rd round pick in season 38 | Philadelphia Assassins |
| 2023-10-12 00:00:00 | Houston Octopods | | Drop | Clifford Billings | |
| 2023-10-12 00:00:00 | Memphis Express | | Drop | Andres Coe | |
| 2023-10-12 00:00:00 | Memphis Express | | Demoted | Nolan Sylvan | Jacksonville Speed |
| 2023-10-12 00:00:00 | Portland Hipsters | | Demoted | Michael Payne | Montreal Ice Cats |
| 2023-10-12 00:00:00 | Montreal Ice Cats | | Promoted | Malik Harvey | Portland Hipsters |
| 2023-10-12 00:00:00 | Montreal Ice Cats | | Promoted | Ian Kaylor | Portland Hipsters |
| 2023-10-12 00:00:00 | Portland Hipsters | | Demoted | Aidan Dennison | Montreal Ice Cats |
| 2023-10-12 00:00:00 | Nashville Night Owls | | Promoted | Devin Monroe | Miami Macho Men |
| 2023-10-11 00:00:00 | Miami Macho Men | | Demoted | Alan Penn | Nashville Night Owls |
| 2023-10-11 00:00:00 | South Dakota Blackhawks | | Promoted | Caleb Nance | Philadelphia Assassins |
| 2023-10-11 00:00:00 | Philadelphia Assassins | | Demoted | Joshua Buck | South Dakota Blackhawks |
| 2023-10-10 00:00:00 | Nashville Night Owls | | Promoted | Alan Penn | Miami Macho Men |
| 2023-10-10 00:00:00 | Miami Macho Men | | Demoted | Justin Dennis | Nashville Night Owls |
| 2023-10-09 15:27:14 | Houston Octopods | Joseph Courtney | Acquired via waivers | Norm Worm | Waiver |
| 2023-10-09 15:27:14 | Portland Hipsters | Aidan Dennison | Acquired via waivers | John Bills | Waiver |
| 2023-10-06 00:00:00 | Cincinnati Skyliners | Jordan Mason | Add/Drop | | |
| 2023-10-06 00:00:00 | Little Rock Fighting Farmers | | Promoted | Manuel Manning | San Francisco Golden Gators |
| 2023-10-06 00:00:00 | San Francisco Golden Gators | | Demoted | Richard Walker | Little Rock Fighting Farmers |