| Transactions | ||||||
| Date | Team | Player | Type | OthTm | EffDate | When |
| 7/26/1990 | COP | Spiers | Traded away | ROK | After | |
| 7/26/1990 | COP | Wilson | Acquired via trade | ROK | After | |
| 7/27/1990 | COP | Johnson | Demoted to reserve roster | Before | ||
| 8/13/1990 | CRH | Bell | Acquired via trade | BON | After | |
| 8/13/1990 | CRH | Cangelosi | Acquired via trade | BON | After | |
| 8/13/1990 | CRH | Maas | Traded away | BON | After | |