| Thursday, April 9th, 1981 |
| Received 1B Habrão Grasconho from Major League Level San Antonio. |
| Received C Mark Moore from Major League Level San Antonio. |
| Received 3B Jerome Faulkner from Major League Level San Antonio. |
| Received 2B Marcos Lara from Major League Level San Antonio. |
| Received SS Kyu-jin Sim from Major League Level San Antonio. |
| Received SS Tom O'Neill from Major League Level San Antonio. |
| Received RF Kosho Yamamoto from Major League Level San Antonio. |
| Received LF Keitaro Tada from Major League Level San Antonio. |
| Received RF John Chandler from Major League Level San Antonio. |
| Received 1B Dave Schermerhorn from Major League Level San Antonio. |
| Received RF Dan Oldenburg from Major League Level San Antonio. |
| Received RF Will Horn from Major League Level San Antonio. |
| Received 3B Ben Rose from Major League Level San Antonio. |
| Demoted SP Morgan Cole to Double A Greensboro. |
| Demoted SP Jeff Simpson to Double A Greensboro. |
| Demoted MR Jason Brady to Double A Greensboro. |
| Demoted 1B Anastasio Pérez to Double A Greensboro. |
| Demoted 2B Miguel Suárez to Double A Greensboro. |
| Demoted 3B Edward Barnes to Double A Greensboro. |
| Demoted 3B Jim Mitchell to Double A Greensboro. |
| Demoted CF Dustin Washington to Double A Greensboro. |
| Demoted LF Neil Norris to Double A Greensboro. |
| Demoted 1B Frank Butler to Double A Greensboro. |
| Demoted RF Alonso Rodríguez to Double A Greensboro. |
| Demoted CF Eduardo De Jesús to Double A Greensboro. |
| Demoted RF Carlos Vásquez to Double A Greensboro. |
| Demoted C Michael Lewis to Double A Greensboro. |
