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| 2021-12-31 19:50:00 | Seattle Cougars | 2nd round pick in season 33 | Acquired via trade | Elmer Gomez | Louisville Colonels |
| 2021-12-31 19:48:00 | Memphis Express | | Drop | Cole Baumgardner | |
| 2021-12-31 19:40:26 | Denver Ferris Wheels | Bruce Blincoe | Add/Drop | Kevin Hoppler | |
| 2021-12-31 19:08:20 | Little Rock Fighting Farmers | | Promoted | Lonnie Hunt | San Francisco Golden Gators |
| 2021-12-31 18:33:22 | Memphis Express | | Drop | Daniel Louis | |
| 2021-12-31 18:27:04 | St. Louis 5th Alarm | | Demoted | Nathan Stpierre | Caracas Crocodiles |
| 2021-12-31 18:19:30 | Memphis Express | | Drop | David White | |
| 2021-12-31 14:42:28 | Detroit Gear Daddies | | Promoted | Isaiah Schieffer | New Orleans Hurricanes |
| 2021-12-31 14:41:54 | New Orleans Hurricanes | | Demoted | Maury Matthews | Detroit Gear Daddies |
| 2021-12-31 14:40:24 | New Orleans Hurricanes | | Drop | Christian Shockley | |
| 2021-12-31 14:17:44 | Portland Hipsters | | Drop | Tracy Stevenson | |
| 2021-12-31 14:05:12 | Cincinnati Skyliners | | Demoted | Sal Romano | Sao Paulo Jackalopes |
| 2021-12-31 14:04:34 | Sao Paulo Jackalopes | | Promoted | Steven Becker | Cincinnati Skyliners |
| 2021-12-31 08:12:28 | Kansas City Wildcats | | Demoted | Jared Phillips | Santa Fe Zeppelins |
| 2021-12-31 08:11:50 | Kansas City Wildcats | | Demoted | Alton Hambleton | Santa Fe Zeppelins |
| 2021-12-31 07:30:40 | Sacramento Rainbow Trout | | Drop | Parker Schug | |
| 2021-12-31 07:24:40 | Sacramento Rainbow Trout | | Drop | Jordan Fletcher | |
| 2021-12-31 07:19:04 | Sacramento Rainbow Trout | | Drop | Austin Davidson | |
| 2021-12-31 06:56:00 | Sacramento Rainbow Trout | | Demoted | Troy Blanchette | Edmonton SilverShoes |
| 2021-12-31 06:55:46 | Sacramento Rainbow Trout | | Demoted | Alexander Burnett | Edmonton SilverShoes |
| 2021-12-31 06:55:32 | Sacramento Rainbow Trout | | Demoted | Maxwell Schaller | Edmonton SilverShoes |
| 2021-12-31 06:07:10 | San Francisco Golden Gators | | Drop | CarlLee Hamilton | |
| 2021-12-31 05:59:52 | San Francisco Golden Gators | | Drop | Devin Ball | |
| 2021-12-31 02:11:36 | Salt Lake City Night Hawks | | Drop | Scott Preece | |
| 2021-12-30 23:57:54 | New York Warriors | | Drop | Austin Spalding | |