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| 2024-07-01 00:00:00 | Ottawa Mt. Hawks | | Promoted | Maceo Jennings | Orlando Bombers |
| 2024-06-30 00:00:00 | Las Vegas Dark Knights | Deangelo Black | Add/Drop | | |
| 2024-06-29 00:00:00 | South Dakota Blackhawks | | Promoted | Dylan Robert | Philadelphia Assassins |
| 2024-06-29 00:00:00 | Philadelphia Assassins | | Demoted | James Clay | South Dakota Blackhawks |
| 2024-06-28 15:36:52 | New York Warriors | 2nd round pick in season 40 | Acquired via trade | Marvin Umstead | Salt Lake City Night Hawks |
| 2024-06-28 00:00:00 | Memphis Express | Joseph Springs | Add/Drop | | |
| 2024-06-28 00:00:00 | New York Warriors | Riley Moore | Add/Drop | Daniel Williamson | |
| 2024-06-28 00:00:00 | New York Warriors | Daniel Williamson | Add/Drop | Daniel Colbert | |
| 2024-06-28 00:00:00 | New York Warriors | Daniel Colbert | Add/Drop | | |
| 2024-06-28 00:00:00 | Salt Lake City Night Hawks | | Drop | Jack Charlton | |
| 2024-06-25 16:15:06 | San Antonio Brothas | Jacob Obrien | Acquired via waivers | | Waiver |
| 2024-06-25 00:00:00 | Little Rock Fighting Farmers | | Promoted | Santos McMorris | San Francisco Golden Gators |
| 2024-06-25 00:00:00 | San Francisco Golden Gators | | Demoted | Damon Rodriguez | Little Rock Fighting Farmers |
| 2024-06-25 00:00:00 | Mexico City Aztecs | | Promoted | Christopher Rolf | Denver Ferris Wheels |
| 2024-06-25 00:00:00 | Denver Ferris Wheels | | Demoted | Brennan McCormack | Mexico City Aztecs |
| 2024-06-25 00:00:00 | Denver Ferris Wheels | Brennan McCormack | Add/Drop | Darius McVey | |
| 2024-06-21 00:00:00 | San Antonio Brothas | | Drop | Julio Tung | |
| 2024-06-20 19:11:20 | Phoenix Kangaroos | Jacob Bruno | Acquired via trade | 2nd round pick in season 40 | Seattle Cougars |
| 2024-06-20 17:37:16 | Kansas City Wildcats | 3rd round pick in season 40 | Acquired via trade | Timothy Morton | Dallas Hounds |
| 2024-06-20 13:55:05 | Seattle Cougars | Eric Kolb | Acquired via trade | 1st round pick in season 40 | Dallas Hounds |
| 2024-06-20 13:55:05 | Seattle Cougars | 2nd round pick in season 40 | Acquired via trade | | Dallas Hounds |
| 2024-06-20 10:36:27 | New York Warriors | Steven Reddick | Acquired via trade | 3rd round pick in season 41 | Memphis Express |
| 2024-06-20 00:00:00 | Phoenix Kangaroos | | Drop | Austin Harris | |
| 2024-06-20 00:00:00 | Phoenix Kangaroos | | Demoted | Marlon Riley | San Juan Devils |
| 2024-06-20 00:00:00 | Kansas City Wildcats | | Demoted | Jonathon Martin | Santa Fe Zeppelins |