Offseason
- December 18, 2004: Danny Ardoin was signed as a Free Agent by the Colorado Rockies.
- January 6, 2005: Desi Relaford and Dustan Mohr were signed as Free Agents by the Colorado Rockies.
- March 30, 2005: Charles Johnson was traded by the Colorado Rockies with Chris Narveson to the Boston Red Sox for Byung-Hyun Kim and cash.
Read more about this topic: 2005 Colorado Rockies Season