| Transactions |
| Date | Team | Player | Type | OthTm | EffDate | When |
| 4/30/1942 | WES | Anderson | Traded away | GOS |   | After |
| 4/30/1942 | WES | Anderson | Traded away | GOS |   | After |
| 4/30/1942 | WES | Anderson | Traded away | GOS |   | After |
| 4/30/1942 | WES | Anderson | Acquired via trade | GOS |   | After |
| 4/30/1942 | WES | Anderson | Acquired via trade | GOS |   | After |
| 4/30/1942 | WES | Anderson | Acquired via trade | GOS |   | After |
| 4/30/1942 | WES | Olsen | Traded away | GOS |   | After |
| 4/30/1942 | WES | Olsen | Traded away | GOS |   | After |
| 4/30/1942 | WES | Olsen | Traded away | GOS |   | After |
| 4/30/1942 | WES | Olsen | Acquired via trade | GOS |   | After |
| 4/30/1942 | WES | Olsen | Acquired via trade | GOS |   | After |
| 4/30/1942 | WES | Olsen | Acquired via trade | GOS |   | After |
| 5/1/1942 | HUD | Hamlin | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | HUD | Henshaw | Promoted to active roster |   |   | Before |
| 5/1/1942 | SCH | Beckmann | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Benton | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Benton | Promoted to active roster |   |   | Before |
| 5/1/1942 | SCH | Campbell P | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Chase | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Gilbert | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Head | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Head | Promoted to active roster |   |   | Before |
| 5/1/1942 | SCH | Judd | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Judd | Promoted to active roster |   |   | Before |
| 5/1/1942 | SCH | Judd | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Lee B | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Lee B | Promoted to active roster |   |   | Before |
| 5/1/1942 | SCH | Masterson P | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Ortiz | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Peacock | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Phillips | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Platt | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Poat | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Ruffing | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Ruffing | Promoted to active roster |   |   | Before |
| 5/1/1942 | SCH | Sauer | Demoted to reserve roster |   |   | Before |
| 5/1/1942 | SCH | Vandenberg 1944 | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Conger | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Gordon S | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Heim | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Kennedy V | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Krakauskas | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Mancuso | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Riebe | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Wade | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Wagner C | Demoted to reserve roster |   |   | Before |
| 6/1/1942 | BRK | Wagner C | Promoted to active roster |   |   | Before |
| 6/1/1942 | BRK | Wallace | Demoted to reserve roster |   |   | Before |
| 9/1/1942 | BRK | Block | Demoted to reserve roster |   |   | Before |
| 9/1/1942 | BRK | Freed | Demoted to reserve roster |   |   | Before |
| 9/1/1942 | BRK | Heim | Promoted to active roster |   |   | Before |
| 9/1/1942 | BRK | Kennedy V | Promoted to active roster |   |   | Before |
| 9/1/1942 | BRK | Macon | Demoted to reserve roster |   |   | Before |
| 9/1/1942 | BRK | Mancuso | Promoted to active roster |   |   | Before |
| 9/1/1942 | BRK | Riebe | Promoted to active roster |   |   | Before |
| 9/1/1942 | BRK | Wallace | Promoted to active roster |   |   | Before |
| 11/28/2010 | HOO | Brown J | Acquired via trade | WOR |   | After |
| 11/28/2010 | HOO | Frey | Traded away | WOR |   | After |
| 11/28/2010 | WOR | Brown J | Traded away | HOO |   | After |
| 11/28/2010 | WOR | Frey | Acquired via trade | HOO |   | After |
| 12/18/2010 | HOO | Breuer | Acquired via trade | SCH |   | After |
| 12/18/2010 | HOO | Butland | Acquired via trade | SCH |   | After |
| 12/18/2010 | HOO | Fleming L | Acquired via trade | SCH |   | After |
| 12/18/2010 | HOO | Peacock | Traded away | SCH |   | After |
| 12/18/2010 | SCH | Breuer | Traded away | HOO |   | After |
| 12/18/2010 | SCH | Butland | Traded away | HOO |   | After |
| 12/18/2010 | SCH | Fleming L | Traded away | HOO |   | After |
| 12/18/2010 | SCH | Peacock | Acquired via trade | HOO |   | After |
| 2/17/2011 | HUD | Danning | Traded away | WOR |   | After |
| 2/17/2011 | HUD | Hegan | Acquired via trade | WOR |   | After |
| 2/17/2011 | HUD | Marion | Traded away | WOR |   | After |
| 2/17/2011 | HUD | Medwick | Acquired via trade | WOR |   | After |
| 2/17/2011 | HUD | Miller | Acquired via trade | WOR |   | After |
| 2/17/2011 | HUD | Wilkie | Acquired via trade | WOR |   | After |
| 2/17/2011 | WOR | Danning | Acquired via trade | HUD |   | After |
| 2/17/2011 | WOR | Hegan | Traded away | HUD |   | After |
| 2/17/2011 | WOR | Marion | Acquired via trade | HUD |   | After |
| 2/17/2011 | WOR | Medwick | Traded away | HUD |   | After |
| 2/17/2011 | WOR | Miller | Traded away | HUD |   | After |
| 2/17/2011 | WOR | Wilkie | Traded away | HUD |   | After |
| 2/22/2011 | HOO | Feldman | Acquired via trade | MAU |   | After |
| 2/26/2011 | WES | Anderson | Traded away | GOS |   | After |
| 2/26/2011 | WES | Crosetti | Traded away | ROC |   | After |
| 2/26/2011 | WES | Errickson D | Traded away | ROC |   | After |
| 2/26/2011 | WES | Olsen | Acquired via trade | GOS |   | After |
| 2/26/2011 | WES | Schumacher | Acquired via trade | ROC |   | After |
| 2/26/2011 | WOR | Walters | Acquired via trade | SOU |   | After |
| 3/10/2011 | HOO | Blanton | Acquired via trade | WES |   | After |
| 3/10/2011 | HOO | Bolling 1944 | Acquired via trade | WES |   | After |
| 3/10/2011 | HOO | Carrasquel | Acquired via trade | WES |   | After |
| 3/10/2011 | HOO | Dean D 1947 | Traded away | WES |   | After |
| 3/10/2011 | HOO | Dickey G | Acquired via trade | WES |   | After |
| 3/10/2011 | HOO | Dusak | Traded away | WES |   | After |
| 3/10/2011 | HOO | Fitzsimmons | Traded away | WES |   | After |
| 3/10/2011 | HOO | Fleming L | Traded away | WES |   | After |
| 3/10/2011 | HOO | Flowers 1944 | Traded away | WES |   | After |
| 3/10/2011 | HOO | McNair | Traded away | WES |   | After |
| 3/10/2011 | HOO | Shea 1944 | Traded away | WES |   | After |
| 3/10/2011 | HOO | Stout 1943 | Traded away | WES |   | After |
| 3/10/2011 | WES | Blanton | Traded away | HOO |   | After |
| 3/10/2011 | WES | Bolling 1944 | Traded away | HOO |   | After |
| 3/10/2011 | WES | Carrasquel | Traded away | HOO |   | After |
| 3/10/2011 | WES | Dean D 1947 | Acquired via trade | HOO |   | After |
| 3/10/2011 | WES | Dickey G | Traded away | HOO |   | After |
| 3/10/2011 | WES | Dusak | Acquired via trade | HOO |   | After |
| 3/10/2011 | WES | Fitzsimmons | Acquired via trade | HOO |   | After |
| 3/10/2011 | WES | Fleming L | Acquired via trade | HOO |   | After |
| 3/10/2011 | WES | Flowers 1944 | Acquired via trade | HOO |   | After |
| 3/10/2011 | WES | McNair | Acquired via trade | HOO |   | After |
| 3/10/2011 | WES | Shea 1944 | Acquired via trade | HOO |   | After |
| 3/10/2011 | WES | Stout 1943 | Acquired via trade | HOO |   | After |
| 3/27/2011 | BRK | Blair | Acquired via trade | WES |   | After |
| 3/27/2011 | BRK | Conger | Acquired via trade | WES |   | After |
| 3/27/2011 | WES | Blair | Traded away | BRK |   | After |
| 3/27/2011 | WES | Conger | Traded away | BRK |   | After |