SPB In Season Free Agency -- Seasons Past Baseball
Regular season
| Transactions |
| Seq | Date | Team | Player | Type |
| 0 | 5/13/1987 | HAT | Barker | Released |
| 0 | 5/13/1987 | HAT | Zuvella | Signed |
| 0 | 5/20/1987 | FRA | Lopes | Released |
| 0 | 5/20/1987 | IAC | Hairston | Signed |
| 0 | 5/20/1987 | IAC | Vande Berg | Released |
| 0 | 5/20/1987 | OTT | Haas | Signed |
| 0 | 5/20/1987 | ROC | Cowley | Released |
| 0 | 5/20/1987 | ROC | Ryal | Signed |
| 0 | 5/26/1987 | HAT | Arnold | Released |
| 0 | 5/26/1987 | HAT | Van Gorder | Released |
| 0 | 5/26/1987 | HAT | Van Gorder | Signed |
| 0 | 5/26/1987 | HAT | Vande Berg | Signed |
| 0 | 6/2/1987 | FLU | Landreaux | Signed |
| 0 | 6/2/1987 | FLU | Nettles | Signed |
| 0 | 6/2/1987 | FLU | Nielsen | Signed |
| 0 | 6/2/1987 | FLU | Paciorek | Released |
| 0 | 6/2/1987 | FLU | Trujillo | Released |
| 0 | 6/2/1987 | FLU | Wynegar | Released |
| 0 | 6/2/1987 | OTT | Heep | Signed |
| 0 | 6/2/1987 | OTT | Milner | Released |
| 0 | 6/7/1987 | CAR | Bailey | Signed |
| 0 | 6/7/1987 | CAR | Garner | Released |