| Sunday, November 22nd, 1998 |
| 2B Akinori Iwamura received a 1-year contract through automatic renewal worth a total of $186,034. |
| SP Cal Eldred becomes a free-agent. |
| 1B Erubiel Durazo received a 1-year contract through automatic renewal worth a total of $186,034. |
| LF Gary Matthews Jr. received a 1-year contract through automatic renewal worth a total of $186,034. |
| MR Scott Williamson received a 1-year contract through automatic renewal worth a total of $186,034. |
| LF Kal Daniels received a 1-year contract through arbitration worth a total of $5,022,000. |
| RF Jason Jones received a 1-year contract through automatic renewal worth a total of $186,034. |
| C Wiki Gonzalez received a 1-year contract through automatic renewal worth a total of $186,034. |
| SS Miguel Tejada received a 1-year contract through automatic renewal worth a total of $186,034. |
| SP Jack Armstrong becomes a free-agent. |
| 1B Tony Clark becomes a free-agent. |
| LF Timo Perez received a 1-year contract through automatic renewal worth a total of $186,034. |
| 1B Richie Sexson received a 1-year contract through automatic renewal worth a total of $186,034. |
| C Craig Biggio becomes a free-agent. |
| MR Adam Pettyjohn received a 1-year contract through automatic renewal worth a total of $186,034. |
| MR Curt Schilling becomes a free-agent. |
| SS Ed Sprague Jr. received a 1-year contract through automatic renewal worth a total of $186,034. |
| MR Scott Mullen received a 1-year contract through automatic renewal worth a total of $186,034. |
| 2B Damon Minor received a 1-year contract through automatic renewal worth a total of $186,034. |
| MR Dario Veras received a 1-year contract through automatic renewal worth a total of $186,034. |
| MR Scotty Baker received a 1-year contract through automatic renewal worth a total of $186,034. |
| MR John Bale received a 1-year contract through automatic renewal worth a total of $186,034. |
| MR Roger Clemens becomes a free-agent. |
| SP Tony Mounce received a 1-year contract through automatic renewal worth a total of $186,034. |
| MR Dean Crow becomes a free-agent. |
| MR Steve Connelly becomes a free-agent. |
| MR Mike Duvall becomes a free-agent. |