Offseason
- December 4, 2002: Todd Hundley was traded by the Chicago Cubs with Chad Hermansen to the Los Angeles Dodgers for Mark Grudzielanek and Eric Karros.
- January 13, 2003: Midre Cummings was signed as a Free Agent with the Chicago Cubs.
- January 13, 2003: Aaron Small was signed as a Free Agent with the Chicago Cubs.
- March 4, 2003: Trenidad Hubbard was signed as a Free Agent with the Chicago Cubs.
- March 29, 2003: Aaron Small was released by the Chicago Cubs.
Read more about this topic: 2003 Chicago Cubs Season