| Thursday, April 9th, 1981 |
| Received MR Daniel Brophy from Major League Level Manhattan. |
| Received MR Eduardo Costa from Major League Level Manhattan. |
| Received CL Nino Lagomarsino from Triple A Millet. |
| Received MR Freddie Jones from Triple A Millet. |
| Received MR Manny Núñes from Triple A Millet. |
| Received 1B Felipe Flores from Single A Somerset. |
| Received 1B Rich Schmidt from Single A Somerset. |
| Received 2B Jim Richard from Single A Somerset. |
| Received 3B Adrián Campos from Single A Somerset. |
| Demoted MR Peter Adkins to Single A Somerset. |
| Demoted MR Baio Ow to Single A Somerset. |
| Promoted SP Caden Boyd to Triple A Millet. |
| Received SP Pedro Ramírez from Triple A Millet. |
| Received MR Álex Coronado from Single A Somerset. |
| Received 3B Bill Range from Single A Somerset. |
| Received 1B Tim Ross from Single A Somerset. |
| Received CF Paul Roberts from Single A Somerset. |
| Received RF Scott Parker from Single A Somerset. |
| Received CF Kyle Jones from Single A Somerset. |
| Received LF Jesús García from Single A Somerset. |
| Received 1B Pedro Mesa from Single A Somerset. |
| Received 3B Juan Jose Cruz from Single A Somerset. |
| Demoted SP Víctor Santos to Single A Somerset. |
| Demoted SS José Ramírez to Single A Somerset. |
| Demoted 2B Jim Richard to Single A Somerset. |
| Demoted LF Dave Hudson to Single A Somerset. |
| Demoted RF Marvin Metcalf to Single A Somerset. |
| Demoted 3B Pat Walker to Single A Somerset. |
| Demoted 3B Adrián Campos to Single A Somerset. |
| Demoted MR Eduardo Costa to Single A Somerset. |
| Demoted MR Johnny Marshall to Single A Somerset. |
