| Sunday, October 19th, 1958 |
| LF A. Covalchuc received a 1-year contract through automatic renewal worth a total of $300,000. |
| CF J. Caballero becomes a free-agent. |
| SP A. Gruer received a 1-year contract through automatic renewal worth a total of $300,000. |
| RF A. Merville becomes a free-agent. |
| 3B J. Barilla received a 1-year contract through automatic renewal worth a total of $300,000. |
| MR E. Flores becomes a free-agent. |
| SP P. Villarreal received a 1-year contract through automatic renewal worth a total of $300,000. |
| MR H. Keyworth received a 1-year contract through automatic renewal worth a total of $300,000. |
| MR J. Nam received a 1-year contract through automatic renewal worth a total of $300,000. |
| C A. Suarzo received a 1-year contract through automatic renewal worth a total of $300,000. |
| C C. Marshland becomes a free-agent. |
| SP O. Franco received a 1-year contract through automatic renewal worth a total of $300,000. |
| CF S. Takahashi received a 1-year contract through automatic renewal worth a total of $300,000. |
| RF C. Coyfe received a 1-year contract through automatic renewal worth a total of $300,000. |
| SP B. Kane becomes a free-agent. |
| SP D. McCurley becomes a free-agent. |
| SP C. McErracher becomes a free-agent. |
| RF D. Manush becomes a free-agent. |
| SP E. Byrd becomes a free-agent. |
| SP A. Ramírez becomes a free-agent. |
| CF M. Vale becomes a free-agent. |
| SS D. Harbour becomes a free-agent. |
| CF M. Cora becomes a free-agent. |
| SP F. Baltería becomes a free-agent. |
| MR J. Walsingham becomes a free-agent. |
| MR R. Leatherwood becomes a free-agent. |
| SP M. González becomes a free-agent. |
| SP V. Nuckolos becomes a free-agent. |
| MR B. Arrington becomes a free-agent. |
| SP D. Salsameda becomes a free-agent. |
| LF I. Grimble becomes a free-agent. |
| MR V. García becomes a free-agent. |
| RF S. Heffron becomes a free-agent. |
| SS F. Barrundía becomes a free-agent. |
| CF R. Prat becomes a free-agent. |
| C Y. Baba becomes a free-agent. |
| MR A. Woody becomes a free-agent. |
| 1B K. McGilvernock becomes a free-agent. |
| C Á. Cervantes becomes a free-agent. |
| CF F. Racicot becomes a free-agent. |
