| DATE | PLAYER | DESCRIPTION |
| Aug. 14, 1998 | Keith Mitchell | Cleared waivers and went to minors |
| Aug. 8, 1998 | Lou Merloni | Sent to minors for rehabilitation |
| Aug. 7, 1998 | David West | Sent to the minors |
| Aug. 7, 1998 | Keith Mitchell | Designated for reassignment |
| Aug. 6, 1998 | Rich Garces | Bone chips in right elbow |
| Aug. 6, 1998 | Pete Schourek | Traded from Houston |
| Aug. 4, 1998 | Jim Corsi | Sent to minors for rehabilitation |
| Aug. 1, 1998 | Billy Ashley | Sent to the minors |