| Sunday, October 19th, 1958 |
| RF K. Mahbub received a 1-year contract through automatic renewal worth a total of $300,000. |
| 3B H. Eden becomes a free-agent. |
| MR J. Masiel becomes a free-agent. |
| MR R. Canon becomes a free-agent. |
| MR N. Unzueya becomes a free-agent. |
| C T. Fields becomes a free-agent. |
| SP J. Muntoz becomes a free-agent. |
| 2B A. Simpson received a 1-year contract through automatic renewal worth a total of $300,000. |
| 3B J. Chouinard received a 1-year contract through automatic renewal worth a total of $300,000. |
| LF S. MacKee received a 1-year contract through automatic renewal worth a total of $1,640,000. |
| LF N. Rao becomes a free-agent. |
| MR H. Storm becomes a free-agent. |
| RF M. Martin becomes a free-agent. |
| 1B A. Teso received a 1-year contract through automatic renewal worth a total of $300,000. |
| SP F. Guia received a 1-year contract through automatic renewal worth a total of $300,000. |
| C D. Walker becomes a free-agent. |
| SS J. Chisholm becomes a free-agent. |
| LF J. Pérez becomes a free-agent. |
| RF E. Ebbtide becomes a free-agent. |
| 3B L. Varrío becomes a free-agent. |
| 1B V. Banwell becomes a free-agent. |
| SS C. Hernández becomes a free-agent. |
| 1B L. Sarto becomes a free-agent. |
| 2B R. Dalton becomes a free-agent. |
| 2B T. MacGilchrist becomes a free-agent. |
| 3B J. Bynings becomes a free-agent. |
| MR M. Plascencia becomes a free-agent. |
| MR J. Shahan becomes a free-agent. |
| MR J. Voelke becomes a free-agent. |
| SP C. Reyes becomes a free-agent. |
