Offseason
- December 16, 2003: Javier Vázquez was traded by the Expos to the New York Yankees for Nick Johnson, Randy Choate and Juan Rivera.
- January 6, 2004: Tony Batista was signed as a Free Agent with the Montreal Expos.
- January 8, 2004: Luis Lopez was signed as a free agent by the Expos.
Read more about this topic: 2004 Montreal Expos Season