Offseason
- November 25, 1998: Dave Silvestri was signed as a Free Agent with the Tampa Bay Devil Rays.
- December 11, 1998: José Canseco signed as a Free Agent with the Tampa Bay Devil Rays.
- February 3, 1999: Joe Oliver was signed as a Free Agent with the Tampa Bay Devil Rays.
- February 19, 1999: Julio Franco was signed as a Free Agent with the Tampa Bay Devil Rays.
- March 31, 1999: Mike Kelly was released by the Tampa Bay Devil Rays.
Read more about this topic: 1999 Tampa Bay Devil Rays Season