Offseason
- November 26, 1997: Jorge Velandia was traded by the San Diego Padres with Doug Bochtler to the Oakland Athletics for David Newhan and Don Wengert.
- December 15, 1997: Derrek Lee was traded by the San Diego Padres with Steve Hoff (minors) and Rafael Medina to the Florida Marlins for Kevin Brown.
Read more about this topic: 1998 San Diego Padres Season