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| 2021-02-14 05:32:16 | Philadelphia Assassins | | Drop | Charles Tyrrell | |
| 2021-02-13 20:48:34 | Baltimore Miners | | Drop | Justinas Staligis | |
| 2021-02-13 20:36:00 | Baltimore Miners | | Demoted | Reggie Wagner | Green Bay Miners |
| 2021-02-13 17:10:06 | New Orleans Hurricanes | | Demoted | Maury Matthews | Detroit Gear Daddies |
| 2021-02-13 16:53:34 | Detroit Gear Daddies | | Promoted | Cyril Mccusker | New Orleans Hurricanes |
| 2021-02-13 14:58:56 | Louisville Colonels | | Drop | Paris Wheat | |
| 2021-02-12 18:18:54 | San Antonio Brothas | | Drop | George Neil | |
| 2021-02-12 16:04:00 | Salt Lake City Night Hawks | Joseph Sandoval | Acquired via trade | Wayne Cleland | Minneapolis Bricklayers |
| 2021-02-12 15:00:50 | Toronto Huskies | | Promoted | Joseph Sandoval | Salt Lake City Night Hawks |
| 2021-02-12 15:00:22 | Salt Lake City Night Hawks | | Demoted | Damon Donovan | Toronto Huskies |
| 2021-02-12 14:38:50 | San Francisco Golden Gators | | Drop | Chad Sanchez | |
| 2021-02-12 14:38:40 | Minneapolis Bricklayers | | Demoted | Wayne Cleland | Santo Domingo Lazy Dogs |
| 2021-02-12 14:35:40 | Santo Domingo Lazy Dogs | | Promoted | Roland Leonard | Minneapolis Bricklayers |
| 2021-02-11 13:04:26 | Nashville Night Owls | | Promoted | Gani Lawal | Miami Macho Men |
| 2021-02-11 12:51:02 | Miami Macho Men | | Demoted | Patrick Overton | Nashville Night Owls |
| 2021-02-11 07:37:18 | San Francisco Golden Gators | | Demoted | Eric Spilde | Little Rock Fighting Farmers |
| 2021-02-11 07:37:00 | San Francisco Golden Gators | | Drop | Arthur Washer | |
| 2021-02-11 07:08:58 | San Francisco Golden Gators | | Drop | Eugene Varghese | |
| 2021-02-11 07:07:54 | San Francisco Golden Gators | | Drop | Xame Brutus | |
| 2021-02-10 19:59:40 | Seattle Cougars | Leandro Burchfield | Add/Drop | Duane Dunn | |
| 2021-02-10 06:38:38 | Louisville Colonels | Adan Mullens | Add/Drop | | |
| 2021-02-09 18:00:00 | San Francisco Golden Gators | Darren Peters | Acquired via trade | Shazor Kannon | Louisville Colonels |
| 2021-02-09 18:00:00 | San Francisco Golden Gators | Douglas Elder | Acquired via trade | | Louisville Colonels |
| 2021-02-09 18:00:00 | San Francisco Golden Gators | CarlLee Hamilton | Acquired via trade | | Louisville Colonels |
| 2021-02-09 18:00:00 | San Francisco Golden Gators | 3rd round pick in season 30 | Acquired via trade | | Louisville Colonels |